The Canadian Press
JUNEAU, Alaska — Health officials in Alaska have reported that a second health care worker had an adverse reaction to a COVID-19 vaccine.
Bartlett Regional Hospital in Juneau says the two workers showed adverse reactions about 10 minutes after receiving the vaccine and were treated. One received the vaccine Tuesday and will remain in the hospital another night under observation while the other, vaccinated Wednesday, has fully recovered.
U.S. health authorities warned doctors to be on the lookout for rare allergic reactions when they rolled out the first vaccine, made by Pfizer and Germany’s BioNTech. Britain had reported a few similar allergic reactions a week earlier.
THE VIRUS OUTBREAK:
A health worker in Alaska suffered a severe allergic reaction after receiving the Pfizer COVID-19 vaccine. Doctors already knew to be on the lookout after Britain reported two similar cases last week of the vaccine made by Pfizer and Germany’s BioNTech.
U.S. health officials have given the OK to another rapid coronavirus test that people can use at home with results in 20 minutes. Abbott Laboratories says the FDA authorized home use of the $25 test sold through an app. It plans to ship 30 million tests in the U.S. over the first three months of 2021.
— Tyson fires 7 at Iowa pork plant after COVID betting inquiry
— First coronavirus vaccinations underway at U.S. nursing homes, where the virus has killed upwards of 110,000 people.
Follow AP’s coverage at https://apnews.com/hub/coronavirus-pandemic and https://apnews.com/UnderstandingtheOutbreak
HERE’S WHAT ELSE IS HAPPENING:
SYDNEY, Australia — Authorities are searching for the source of an emerging COVID-19 cluster in Sydney’s northern coastal suburbs.
Australia’s largest city had gone 12 consecutive days without community transmission until Wednesday when a driver who transported international air crews in a van to and from Sydney Airport tested positive.
By Thursday, six people had been infected with the virus though community transmission in Sydney, as well as six returned travellers who had been infected overseas and tested positive while in hotel quarantine.
The new infections include a woman who works at the Pittwater Palms aged care home, which has since been closed to visitors.
A drummer in a band that had played in several clubs around Sydney in recent days had also been infected.
New South Wales state Chief Health Officer Kerry Chant has urged people who attended the Avalon Beach R.S.L. Club on Dec. 11, Penrith R.S.L. Club on Dec. 13, and the Kirribilli Club on Dec. 14 to be tested for the virus and to self-isolate. R.S.L. stands for Returned and Services League which is a veterans’ group.
COLUMBIA S.C. — U.S. Rep. Joe Wilson is the latest member of South Carolina’s congressional delegation to test positive for the coronavirus, announcing his test result Wednesday just hours after speaking on the U.S. House floor.
The Republican said in a statement late Wednesday that he tested positive earlier in the day, adding, “I feel fine and do not have any symptoms.”
The 73-year-old Wilson said he would quarantine “through the Christmas holiday.”
Wilson was at the U.S. House on Wednesday, when he wore a face mask as he delivered a floor speech lauding President Donald Trump “for his efforts to bring a vaccine to the United States faster than any other vaccine in history.”
Wilson’s office did not immediately respond to a message regarding other elements of the congressman’s recent schedule.
Elected to a 10th term in November, Wilson is the third of South Carolina’s seven-member U.S. House delegation to contract COVID-19.
SEATTLE – Washington Gov. Jay Inslee is loosening school reopening guidelines amid a resurging coronavirus pandemic and pleading with reluctant teachers to return to the classroom, particularly those tasked with educating the youngest and neediest students.
Inslee, a Democrat, on Wednesday unveiled the state’s latest reopening standards, which urge schools to begin phasing in in-person learning no matter what the community COVID-19 infection rates are, and to resist reverting back to remote learning should transmissions further increase.
That’s a stark departure for the Democratic administration, which has until now taken a more cautious approach.
The ultimate decision on how and when to reopen schools is up to individual districts. Washington state saw the nation’s first confirmed virus case in late January.
The governor on April 6 issued an emergency order to keep schools across the state closed through the end of the school year, and in the fall, pushed most schools to remain online-only.
SEOUL, South Korea — South Korea has added more than 1,000 infections to its coronavirus caseload for the second straight day amid growing fears that the virus is spreading out of control in the greater capital area.
The Korea Disease Control and Prevention Agency on Thursday said the COVID-19 death toll was now at 634 after 22 patients died in the past 24 hours, the deadliest day since the emergence of the pandemic. Among 12,209 active patients, 242 are in serious or critical condition.
Nearly 800 of the 1,014 new cases were reported from the densely populated Seoul metropolitan area, where health officials have raised alarm about a looming shortage in hospital capacities.
Thursday was the 40th consecutive day of triple digit daily jumps, which brought the national caseload to 46,453. The country reported 1,078 new cases on Wednesday, its largest daily increase.
The viral resurgence came after months of pandemic fatigue, complacency and government efforts to breathe life into a sluggish economy.
Officials are now mulling whether to raise social distancing restriction to maximum levels, which could possibly include bans on gatherings of more than 10 people, shutting tens of thousands of businesses deemed non-essential and requiring companies to have more employees work from home.
INDIANAPOLIS, Ind. – As Indiana’s front-line health care workers begin receiving the state’s first shots of Pfizer’s vaccine against the coronavirus, uncertainties remain about future numbers of incoming doses and who should be inoculated next.
Indiana’s chief medical officer, Dr. Lindsay Weaver, said Wednesday that five Indiana hospitals have received doses. Weaver says that so far 46,000 of the state’s more than 400,000 eligible health care workers have registered for an appointment to get their first shot.
Weaver says state health officials are considering individuals’ risks of spreading the virus and how bad their symptoms could be as they decide the next distribution lineup.
OLYMPIA, Washington — Coronavirus infections remain rampant, but health officials in Washington state said Wednesday they’re seeing some encouraging signs in recent data, just as front-line workers begin receiving vaccinations.
Health Department Secretary Dr. John Wiesman and Dr. Kathy Lofy, the state health officer, said new cases and hospitalizations appear to be flattening a bit. However, they warned people to remain vigilant and to remain home for the holidays, because another surge on top of current case levels could swamp hospital capacity.
The state has not seen a jump in cases related to Thanksgiving gatherings. Lofy noted that hospital bed occupancy has even started falling in southwest Washington, but case numbers in the central part of the state have been more troubling.
Overall, just under 13% of the state’s acute-care beds are occupied by COVID patients; officials would prefer to see that number below 10%.
O’FALLON, Mo. — Missouri Gov. Mike Parson on Wednesday lauded the rollout of Pfizer’s coronavirus vaccine, but it appears the second-week supply will be thousands of doses smaller than anticipated.
Missouri received about 51,000 doses of the Pfizer vaccine this week, and vaccinations of frontline health care workers began Monday. The state initially said it would get another 63,675 doses of the Pfizer vaccine next week, as well as 105,300 doses of the Moderna vaccine if that version receives federal clearance.
State health director Dr. Randall Williams said it now appears that Missouri’s next batch of the Pfizer vaccine will be 25% to 30% less than anticipated. He said the variance was “not unanticipated” given the vast rollout nationwide, but he’s still trying to determine from federal officials what changed.
Meanwhile, Parson, in response to a question at a news conference, seemed to indicate he wasn’t sure if he would get vaccinated, but his spokeswoman later clarified that he planned to do so.
Parson and his wife are among the 353,038 Missourians who have contracted the virus. Both were diagnosed in September, and neither required hospitalization.
“You know, I’ve had COVID-19 so I think my personal view would be I would want to make sure a lot of other people got it (the vaccine) before I have it,” Parson said. But as for himself, he added, “We’ll make that decision as we move forward as it comes more available.” It wasn’t clear if he meant he wanted more information about the value of a COVID-19 survivor getting vaccinated.
Parson’s spokeswoman, Kelli Jones, later said in an email that Parson “has full intentions of getting the COVID vaccine. Since he has already had COVID, however, he will wait until his age group is eligible to receive the vaccine according to the phases of Missouri’s vaccine plan.” Parson is 65.
NEW ORLEANS — New Orleans bars won’t have to send patrons onto the street because city residents have heeded warnings the city might have to tighten coronavirus pandemic restrictions, city officials said Wednesday.
Numbers remain higher than they were six weeks ago and are still higher than officials would like, but don’t “cross the threshold that would close our bars to indoor seating,” said Dr. Jennifer Avegno, head of the city health department.
“In no way are we out of the woods at all,” Mayor LaToya Cantrell said during a livestreamed news conference with Avegno. However, she said, the percentage of positive tests — which had hit 5.2% — has fallen back below 5%.
Under Gov. John Bel Edwards’ statewide order, bars can have indoor seating only in parishes where the percentage of positive tests is below 5%.
Over the past week, Cantrell said, the figure was 4.7%.
RIO DE JANEIRO — Brazil’s number of confirmed COVID-19 cases surged past 7 million on Wednesday, with an all-time high of more than 70,000 cases, according to the health ministry’s daily bulletin.
The total remains the world’s third highest, according to a tally kept by Johns Hopkins University.
The ministry also reported 936 deaths from the disease. Neither its newly reported deaths nor cases included data from Sao Paulo state, Brazil’s most populous and where the toll has been heaviest. In a text message, the health ministry cited “technical problems,” without elaborating.
The number of cases and deaths in Latin America’s largest nation has rebounded since local leaders eased restrictions and pandemic fatigue set in.
President Jair Bolsonaro, who has consistently undermined quarantine measures and downplayed the virus’ severity, said at a public event last week that Brazil is at “the tail end of the pandemic.”
ATLANTA — A record number of people were in hospitals Wednesday in Georgia with confirmed COVID-19 infections, another signal that infections are now more widespread than at the previous summer peak, as public health authorities sought to raise the alarm that the coronavirus is spreading unabated across the state.
In Atlanta, COVID Survivors for Change set out 1,000 chairs near the state capitol in a cold rain to remember the people who have died in Georgia from the respiratory illness. That number rose Wednesday to 10,228 confirmed and suspected deaths.
“I caught COVID-19 back on March,” Marjorie Roberts said at the ceremony. “My first day of symptoms was March 26. Now, nine months later I’m still feeling the remnants. I also lost one of my lifelong friends to COVID-19. I didn’t even get a chance to say goodbye. He died in a hospital all by himself. All alone.”
The state Department of Public Health, in a weekly report, warned about the continuing spread of infections. As of Wednesday, confirmed and suspected infections had averaged more than 6,100 over the previous week.
“They reflect our highest case numbers ever, and are not decreasing or levelling off day to day,” the department said.
JUNEAU, Alaska — Health officials in Alaska reported a health care worker had a severe allergic reaction to a COVID-19 vaccine within 10 minutes of receiving a shot.
U.S. health authorities warned doctors to be on the lookout for rare allergic reactions when they rolled out the first vaccine, made by Pfizer and Germany’s BioNTech. Britain had reported a few similar allergic reactions a week earlier.
The Juneau health worker began feeling flushed and short of breath on Tuesday, says Dr. Lindy Jones, the emergency room medical director at Bartlett Regional Hospital. She was treated with epinephrine and other medicines for what officials ultimately determined was anaphylaxis, a severe allergic reaction. She was kept overnight but has recovered.
Unlike the British cases, the Alaska woman has no history of allergic reactions.
OKLAHOMA CITY — Planned payments of $400 to some Oklahoma residents who lost wages amid the coronavirus pandemic are being put on hold due to the potential approval of additional federal unemployment payments, Oklahoma Employment Security Commission director Shelley Zumwalt said Wednesday.
“If new federal legislation is passed and a new federal unemployment relief package reaches Oklahomans, it will be clear that OESC will return the funds,” said Zumwalt, who announced Dec. 10 that the payments would begin this week.
The governor’s office announced Wednesday that the state has received all of its initial allotment of coronavirus vaccine doses.
In addition to the more than 33,000 doses to the Oklahoma State Department of Health, more than 6,800 doses were sent to tribal nations by Indian Health Services and the Veterans Administration.
The Oklahoma National Guard has begun delivering the first doses of a coronavirus vaccine to health care providers throughout the state.
LITTLE ROCK, Ark. — Arkansas has reached another record one-day increase in COVID-19 deaths.
The state Health Department on Wednesday said 58 more people died from the illness caused by the virus. The increase brings the state’s total fatalities since the pandemic began to 3,074.
The state’s probable and confirmed cases rose by 2,306 to 191,504. Wednesday increase in deaths was the state’s highest since it reported 55 new deaths on Friday. The number of people hospitalized due to COVID-19 rose by nine to 1,079.
LOS ANGELES — California reported a record 53,711 coronavirus cases and 293 deaths on Wednesday.
The continuing surge in the pandemic brings California’s death toll to 21,481, according to the state Department of Public Health. The previous daily high for deaths was 225, reported Saturday.
The state has 1.6 million confirmed cases of coronavirus. Hospitals are filling up so fast in California that officials are rolling out mobile field facilities. They’re also scrambling to hire more doctors and nurses to prepare for an expected surge in coronavirus patients.
orted Wednesday by the Robert Koch Institute.
The Associated Press
Creation by catastrophe – Skywatching – Castanet.net
Collision of the Galaxies sounds like a good title for a spectacular disaster movie.
Actually, a lot of things in the universe depend on things smashing together, including galaxies. The object
Arp 299 is two galaxies in collision.
The two, designated NGC 3690 and IC 694, lying about 134 million light years away from us, have been in the process of collision for around 700 million years. The Hubble Space Telescope image can be found at https://en.wikipedia.org/wiki/Arp_299. The image is dotted with many bright, blue stars.
This is interesting because there are only two types of bright, blue star. One kind are young stars that will dim down a bit as they settle down.
The other kind are stars that collected an exceptionally large amount of hydrogen when they formed. These stars shine extremely brightly, run out of fuel soon, collapse and then explode. These explosions are called supernovae.
In either case, these blue stars cannot be very old. This relates to another interesting aspect of this pair of galaxies: the oddly large number of supernova explosions. What has produced these unusual circumstances?
If you look at a nearby spiral galaxy, such as our close neighbour, the Andromeda Galaxy, you will see the spiral arms glowing with little knots of pink, and sparkling with young stars.
If we could go a couple of million light years off into space, our galaxy, the Milky Way, would look much the same. The reason is that the spiral arms of galaxies are loaded with hydrogen gas, the primary ingredient for making stars.
If we look closer, we will see that these clouds are not uniform; some regions are much denser than others. On occasion, something triggers one of these denser regions to collapse, forming one or more stars.
These youngsters are hot and blue, and their high output of ultraviolet radiation makes the surrounding clouds glow pink. This pink, a characteristic of hydrogen, is known as hydrogen-alpha emission.
Therefore, when we look at a distant galaxy, those pink glows mean two things:
- There is hydrogen to glow
- Hot, blue stars to make it glow.
However, the jewel-box of bright, blue stars we see in the Arp 299 pair of galaxies is really unusual. Some major event caused massive collapses of hydrogen clouds, forming showers of new stars. We are pretty sure this outburst of star formation was caused by the two galaxies colliding.
Paradoxically, collisions between galaxies are not totally catastrophic; they trigger the formation of new stars and planets.
When we look at the computer simulations of collisions between galaxies (there are many on the web), they look pretty catastrophic. One can imagine stars and planets being annihilated on a huge scale.
The youtube on this link is a good example of what we believe a collision between two galaxies would look like. However, the situation is nothing like as bad as it looks.
The nearest star to us, after the Sun, lies about four light years away. This distance is fairly typical of the average distance between stars. So the chance of stars in two colliding galaxies passing close to one another is tiny. Even as fragments fly around and the galaxies combine, all the inhabitants of worlds in those galaxies will see is their equivalent of the Milky Way changing shape over millions of years.
However, for the gas clouds between the stars it’s a different matter. These will collide and collapse, forming lots of new stars.
We will get a chance to experience this first hand. The Milky Way and the Andromeda Galaxy are racing toward each other at 110 km/s, and will collide in about four billion years. There are computer simulations of this collision on the web.
- The only easily visible planet is Mars, which can be found high in the southwest during the evening.
- The Moon will reach First Quarter on the 20th.
Oldest quasar and supermassive black hole discovered in the distant universe – CTV News
The most distant quasar and the earliest known supermassive black hole have been discovered, shedding light on how massive galaxies formed in the early universe.
This discovery was revealed Tuesday at the 237th meeting of The American Astronomical Society, happening virtually due to the pandemic. The study has been accepted for publication in the Astrophysical Journal Letters.
A quasar, or quasi-stellar object, is the compact region at the center of a galaxy that throws off enormous energy. They emit so much energy that quasars appear like stars through a telescope. Astronomers believe that the supermassive black holes at the centers of galaxies actually power quasars, acting like an engine.
When gas falls into quasars at the centers of galaxies, they form disks of gas and dust that emit electromagnetic energy. This creates a brightness greater than entire galaxies.
Jets shoot out of the quasar, pulsing with X-rays, and they are some of the hottest things in the entire universe. The jets blow gas and dust, which are essential to form stars, out of the galaxy. When a quasar forms, it signals the end of a galaxy’s star-forming days.
This quasar is a thousand times more luminous than our Milky Way galaxy, and it’s powered by the earliest known supermassive black hole. The light from this quasar took more than 13 billion years to reach Earth, and astronomers were able to observe it as the quasar appeared just 670 million years after the Big Bang.
Its black hole engine weighs more than 1.6 billion times the mass of our sun, making it twice as massive as that of the previous record holder.
“This is the earliest evidence of how a supermassive black hole is affecting the galaxy around it,” said Feige Wang, lead study author and NASA Hubble fellow at the University of Arizona, in a statement. “From observations of less distant galaxies, we know that this has to happen, but we have never seen it happening so early in the Universe.”
The quasar has been dubbed J0313-1806 by the astronomers who discovered it.
“The most distant quasars are crucial for understanding how the earliest black holes formed and for understanding cosmic reionization — the last major phase transition of our Universe,” said Xiaohui Fan, study coauthor and regents professor of astronomy at the University of Arizona, in a statement.
To picture the brightness of this highly energetic object, imagine our sun — but 10 trillion times more luminous.
Astronomers were surprised to discover this quasar was fully formed in such a short time, astronomically speaking, after the Big Bang. The presence of the massive black hole that powers it at this early point in the universe’s timeline also challenges how astronomers understand black hole formation.
For example, how did this black hole have time to form?
“Black holes created by the very first massive stars could not have grown this large in only a few hundred million years,” Wang said.
Typically, such massive black holes form when giant stars explode and collapse, forming black holes that grow in size. They can also form when a dense cluster of stars collapses. Both of these take time.
“This tells you that no matter what you do, the seed of this black hole must have formed by a different mechanism,” Fan said. “In this case, it’s a mechanism that involves vast quantities of primordial, cold hydrogen gas directly collapsing into a seed black hole.”
The brightness of the quasar indicates that the black hole is gobbling up about 25 stars like our sun each year, which powers an outflow of gas moving at 20% the speed of light.
This loss of gas typically halts the birth of stars in a galaxy because that gas is a necessary ingredient in star formation.
“We think those supermassive black holes were the reason why many of the big galaxies stopped forming stars at some point,” Fan said.
Ultimately, the black hole will eventually run out of food, stunting its growth, Fan said.
Multiple telescopes were used in the discovery and astronomers are eager to observe it more in the future.
The galaxy that hosts the quasar is rapidly producing stars at a rate that is 200 times faster than the Milky Way.
“This would be a great target to investigate the formation of the earliest supermassive black holes,” Wang said. “We also hope to learn more about the effect of quasar outflows on their host galaxy — as well as to learn how the most massive galaxies formed in the early Universe.”
Meet NASA Astronaut & Artemis Team Member Victor Glover [Video] – SciTechDaily
NASA astronaut Victor Glover is a member of the Artemis Team, a select group of astronauts charged with focusing on the development and training efforts for early Artemis missions.
Victor J. Glover, Jr. was selected as an astronaut in 2013 while serving as a Legislative Fellow in the United States Senate. He is currently serving as pilot and second-in-command on the Crew-1 SpaceX Crew Dragon, named Resilience, which launched November 15, 2020. It is the first post-certification mission of SpaceX’s Crew Dragon spacecraft – the second crewed flight for that vehicle – and a long duration mission aboard the International Space Station. He will also serve as Flight Engineer on the International Space Station for Expedition 64.
The California native holds a Bachelor of Science in General Engineering, a Master of Science in Flight Test Engineering, a Master of Science in Systems Engineering and a Master of Military Operational Art and Science. Glover is a Naval Aviator and was a test pilot in the F/A‐18 Hornet, Super Hornet and EA‐18G Growler. He and his family have been stationed in many locations in the United States and Japan and he has deployed in combat and peacetime.
Through the Artemis program NASA and a coalition of international partners will return to the Moon to learn how to live on other worlds for the benefit of all. With Artemis missions NASA will send the first woman and the next man to the Moon in 2024 and about once per year thereafter.
Through the efforts of humans and robots, we will explore more of the Moon than ever before; to lead a journey of discovery that benefits our planet with life changing science, to use the Moon and its resources as a technology testbed to go even farther and to learn how to establish and sustain a human presence far beyond Earth.
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