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Ottawa Public Health warns of possible COVID-19 exposure at Halloween party – Newstalk 1010 (iHeartRadio)

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Attendees at a downtown Ottawa Halloween event last weekend may have been exposed to COVID-19, Ottawa Public Health is warning.

The health unit is investigating after two people attended the ‘Back from the Dead’ Halloween event at Mavericks on Rideau Street on Saturday while contagious.

Anyone who was there between 9 p.m. and 2 a.m. may have been exposed, OPH says.

“Ottawa Public Health has assessed the nature of this event and determined that individuals who attended the event are at an increased risk of COVID-19 exposure as there were several opportunities for transmission to occur,” OPH said in a news release.

The health unit doesn’t usually disclose the location of possible COVID-19 exposures to protect peoples’ privacy. But they release the information when it’s needed to meet public health goals such as promptly notifying potential contacts and reducing the risk of further COVID-19 transmission.

A website promoting the event said it featured lighting, smoke machines, costume shows and multiple DJs.

Anyone who attended the event is asked to follow the following instructions:

  • If you develop any COVID-19 symptoms, you should immediately self-isolate and seek testing even if you are fully vaccinated for COVID-19. If you go for testing, provide the following testing number: 490723.  
  • If you are not experiencing symptoms of COVID-19, you do not need to seek testing or isolate unless otherwise notified by Ottawa Public Health.
  • If you attended this event and have questions, you can visit OttawaPublicHealth.ca/Mavericks for more information.

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UK study finds mRNA COVID-19 vaccines provide biggest booster impact – Fiji Times

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LONDON (Reuters) -COVID-19 vaccines made by Pfizer and Moderna that use mRNA technology provide the biggest boost to antibody levels when given 10-12 weeks after the second dose, a new British study has found.

The “COV-Boost” study was cited by British officials when they announced that Pfizer and Moderna were preferred for use in the country’s booster campaign, but the data has only been made publicly available now.

The study found that six of the seven boosters examined enhanced immunity after initial vaccination with Pfizer-BioNTech’s vaccine, while all seven increased immunity when given after two doses of AstraZeneca’s vaccine.

“A third dose will be effective for many of the vaccines we’ve tested and in many different combinations,” Professor Saul Faust, an immunologist at the University of Southampton and the trial’s lead, told reporters.

The study, published late on Thursday, found that a full dose or half dose of Pfizer or a full dose of Moderna gave a strong boost to both antibody and T-cell levels, regardless of whether the person initially received Pfizer or AstraZeneca.

“All four of the vaccination regimes most widely deployed in the UK lead to essentially the same levels of immunity and are likely to be equally effective,” said Professor Eleanor Riley, immunologist at the University of Edinburgh. She added that a policy change in booster gaps was also supported by the data.

“These data support the JCVI (vaccine committee) decision earlier this week to bring forward booster doses to 3 months after the second vaccination.”

When AstraZeneca, Novavax, Johnson & Johnson and Curevac were given as boosters, they increased antibody levels for either initial vaccine, albeit to a smaller degree, the study found. However, while Valneva boosted antibodies in people initially vaccinated with AstraZeneca, it did not provide a boost for Pfizer.

The COV-Boost study pre-dated the spread of the emergent Omicron variant of concern, and Faust said he had shared samples with the UK Health Security Agency to generate data on Omicron.

The study did however find that booster shots also helped to generate a broad T-cell response against the Beta and Delta variants, which may play a key role in longer-term protection.

A separate study by Imperial College London into how initial exposure to SARS-CoV-2 shapes immune responses, also published late on Thursday, similarly found a good T-cell response to both Alpha and Delta after infection followed by vaccination.

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Dutch former queen Beatrix tests positive for COVID-19

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Dutch former queen Beatrix, 83, has tested positive for COVID-19, the royal information service RVD said in a statement Saturday.

Princess Beatrix, as she has been known since her abdication in 2013, got tested after coming down with “mild cold symptoms”, the statement said.

“The princess is at home in isolation and adheres to the rules of life for people who have tested positive,” it added.

The Netherlands has been experiencing a record-breaking wave of COVID-19 cases that is threatening to overwhelm the country’s healthcare system.

(Reporting by Stephanie van den Berg; Editing by Alex Richardson)

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‘I was shocked’: Mother, child mistakenly given COVID-19 vaccine instead of flu shot – Comox Valley Record

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A Manitoba mother says a routine appointment for her and her three-year-old to get flu shots ended in frustration and mixed messages after they were each mistakenly given an adult dose of a COVID-19 vaccine.

Jenna Bardarson is calling for policy changes at the province’s vaccination centres to make sure that doesn’t happen to another family.

The shots were administered on Nov. 24 at the Keystone Centre in Brandon.

Bardarson says that shortly after she and her daughter, Dali, got their shots, the health worker who had given them excused herself to speak with a supervisor. When the worker returned, she told them she had made a mistake and given them both the adult Pfizer-BioNTech vaccine.

“I was shocked. I didn’t know what to say. My immediate concerns were, of course, would my daughter be OK and also who could I speak to about this,” Bardarson said in online social media messages Friday to The Canadian Press.

Once she got home, Bardarson made multiple calls to different departments with the regional medical authority, hoping to speak with someone about the error and her concerns, she said.

She said no one was able to provide her with the answers or information she needed. “The conversations with various Prairie Mountain Health members have been frustrating, to say the least.”

Bardarson said she already had two doses of a COVID-19 vaccine and was due for her booster shot next month. Her daughter is too young to be eligible.

Health Canada last month approved a pediatric version of the Pfizer shot for children ages five to 11, but it has not yet approved a vaccine for those under five.

Bardarson said she and her daughter had headaches and sore arms the following day. Her daughter had no appetite and was throwing up.

Manitoba Health confirmed the mistake in a statement and said staff from Prairie Mountain have reached out to the mother to discuss what happened as well as to provide an update on an investigation.

“Patient safety is a critical aspect of all health-care services in Manitoba. We are constantly reviewing our processes to ensure that our systems support our staff in preventing errors,” it said.

“In this case … our team reviewed the existing processes to make adjustments that would help avoid a similar error from occurring in the future.”

Bardarson said the health region has not provided her with updated information on the investigation and would not discuss any consequences the health worker may have faced.

Manitoba Health said no further action would be taken against the worker, because she immediately recognized the error and told a supervisor.

For Bardarson, that’s not enough.

“I by no means want her fired; however, there should be some sort of measures in place for harm reduction.”

Bardarson suggested taking away the worker’s injection privileges or enhanced supervision during vaccinations.

She said she would also like to see areas at vaccination centres separated by vaccine types, instead of having different vaccines offered in the same booth.

Manitoba Health could not say if others have been given a COVID-19 vaccine by mistake, but acknowledged that medication errors, although rare, do occur. It added that Bardarson was provided with information about the risks of the COVID-19 vaccine, which in this case it says are low.

Health Canada said it is not in charge of immunization monitoring and could not comment on whether similar mistakes have occurred in other parts of the country.

– Brittany Hobson, The Canadian Press

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