A new case of COVID-19 has been reported in B.C. from a woman who returned this week from Iran.
Another case of the coronavirus has been diagnosed in British Columbia.
The provincial health officer, Dr. Bonnie Henry, says a woman in her 30s has been diagnosed with COVID-19 after returning this week from Iran. The woman lives in the Fraser Health region.
“Our continued view is that the risk to B.C. is low, we are acting with vigilance,” she said.
Henry said staff were surprised by a new case linked to Iran, which only recently reported it had five cases of COVID-19 and two deaths.
“That could be an indicator that there’s more widespread transmission. This is what we call an indicator or sentinel event,” Henry said during a Thursday news conference.
“That triggered interest from people around the world,” Henry said. “I expect there will be an investigation to determine where the exposure occurred.”
Iran has reported at least 20 other people in various areas who are being tested, Henry said. “And we’ll be linking with them to see where this person had been in Iran — we’re tracing her travel all the way back to Iran.”
Henry says the woman’s case is relatively mild and a number of her close contacts are in isolation.
B.C. Health Minister Adrian Dix said the patient’s samples have been sent to the National Microbiology Laboratory in Winnipeg, Man., for final confirmation.
This brings the number of cases of COVID-19 in B.C. to six.
“So far in B.C. all of our cases have been relatively mild and managed mostly at home,” she said.
Henry said earlier that four of the five people diagnosed with the virus were symptom free.
The fifth person, a woman in her 30s who returned from Shanghai, China, is in isolation at her home in B.C.’s Interior.
Henry said over 500 people have been tested for the virus in B.C. and many of those tested positive for the flu.
“We’re in containment,” she explained, adding that because many cases are mild, the virus can apparently be transmitted when people have few symptoms.
“It makes it very difficult to contain the virus. We’re not out of the woods yet.”
Three cases of the virus have also been confirmed in Ontario.
As of Thursday, the World Health Organization said there were 76,214 confirmed cases globally, with 548 new cases reported in the past 24 hours. The majority of those cases are in China, with 2,121 deaths recorded to date in the country.
Outside of China, there have been eight deaths across 26 countries. In Canada, there have only been nine cases to date, with only one case being transmitted outside of China. There have been no deaths due to COVID-19 in Canada.
— With files from Lynn Mitges, Stephanie Ip, and the Canadian Press
Merck’s COVID-19 pill significantly less effective in new analysis
Merck & Co said on Friday updated data from its study of its experimental COVID-19 pill showed the drug was significantly less effective in cutting hospitalizations and deaths than previously reported.
The drugmaker said its pill showed a 30% reduction in hospitalizations and deaths, based on data from 1,433 patients. In October, its data nL1N2QX0QJ showed a roughly 50% efficacy, based on data from 775 patients. The drug, molnupiravir, was developed with partner Ridgeback Biotherapeutics.
The lower efficacy of Merck’s drug could have big implications in terms of whether countries continue to buy the pill. Interim data from 1,200 participants in Pfizer Inc’s trial for its experimental pill, Paxlovid, showed an 89% reduction in hopsitalizations and deaths.
Merck’s shares fell 3.5% to $79.39 in morning trading.
Merck released the data before the U.S Food and Drug Administration published a set of documents on Friday intended to brief a panel of outside experts who will meet on Tuesday to discuss whether to recommend authorizing the pill.
The agency’s staff did not make their own recommendation as to whether the pill should be authorized.
FDA staff asked the panel to discuss whether the benefits of the drug outweigh the risks and whether the population for whom the drug should be authorized should be limited.
They also asked the committee to weigh in on concerns over whether the drug could encourage the virus to mutate, and how those concerns could be mitigated.
Pills like molnupiravir and Paxlovid could be promising new weapons in the fight against the pandemic, as they can be taken as early at-home treatments to help prevent COVID-19 hospitalizations and deaths. They could also become important tools in countries and areas with limited access to vaccines or low inoculation rates.
The Merck and Pfizer pills are cheaper to produce and easier to administer than existing treatment options such as antibody therapies from Regeneron and Eli Lilly, which are mostly administered as intravenous infusions.
The two experimental drugs have different mechanisms of action. Merck’s is designed to introduce errors into the genetic code of the virus. Pfizer’s drug, part of a class known as protease inhibitors, is designed to block an enzyme the coronavirus needs in order to multiply.
Merck filed for a U.S. authorization of molnupiravir on Oct. 11, following the interim data, and submitted the updated data to the FDA this week.
The molnupiravir arm of the study had a hospitalization and death rate of 6.8%, according to the updated data. The placebo group had a hospitalization and death rate of 9.7%.
One patient in the molnupiravir arm died, versus nine in the placebo group.
The United Kingdom conditionally approved molnupiravir, branded as Lagevrio, earlier this month.
Merck expects to produce 10 million courses of the treatment by the end of this year, with at least 20 million set to be manufactured in 2022. It has a contract with the U.S. government to supply as many as 5 million courses at a price of $700 per course. Several other countries have already secured millions of courses of the pill.
Merck has said data shows molnupiravir is not capable of inducing genetic changes in human cells, but men enrolled in its trials had to abstain from heterosexual intercourse or agree to use contraception. Women of child-bearing age also had to use birth control.
Still, the FDA said in its briefing document that there are safety concerns about potential birth defects from the drug and asked the panel to discuss whether the drug should be available to pregnant women.
(Reporting by Manas Mishra in Bengaluru and Michael Erman in New JerseyEditing by Shounak Dasgupta, Frances Kerry and Emelia Sithole-Matarise)
Brazil health regulator calls for Africa travel restrictions, Bolsonaro noncommittal
Brazilian health regulator Anvisa recommended on Friday that travel be restricted from some African countries due to the detection of a new COVID-19 variant, though it was unclear if President Jair Bolsonaro would adopt any measures.
Anvisa said its recommendation, which would need government approval to be implemented, was to immediately suspend flights from South Africa, Botswana, Lesotho, Eswatini, Namibia and Zimbabwe.
The EU and Britain are already tightening border controls as researchers look into whether the new mutation is vaccine-resistant.
Brazil’s Health Ministry said in a separate note that the new B.1.1.529 variant named Omicron poses a potential future threat, but that its epidemiological impact was unclear.
After the Anvisa statement, Bolsonaro told journalists he was considering taking measures related to the variant but continued to emphasize that he was against severe coronavirus-related restrictions.
“Brazil can’t handle another lockdown. There’s no use getting terrified,” he said after a military event in Rio de Janeiro. “I’m going to take rational measures.”
Bolsonaro has been widely criticized by public health experts for his management of the pandemic, railing against lockdowns, often refusing to wear a mask in public and choosing not to get vaccinated. Brazil has the world’s second-highest death toll from the virus, behind only the United States.
The World Health Organization (WHO) has cautioned countries against hastily imposing travel restrictions due to the variant, saying they should take a “risk-based and scientific approach.”
In its technical note, Anvisa said that foreigners who have been to at least one of the six African countries cited in the prior 14 days should not be allowed to land in Brazil, while Brazilians arriving from those nations should be required to quarantine.
The health agency said, “The new variant appears to have a higher transmissibility.”
Anvisa President Antonio Barra Torres told news channel GloboNews that travel restrictions are a necessary preventive measure and he expected the government to make a decision as soon as possible.
The news of the variant hammered travel stocks in Brazil.
(Reporting by Gabriel Araujo in Sao Paulo and Lisandra Paraguassu in BrasiliaAdditional reporting by Rodrigo Viga Gaier in Rio de Janeiro and Eduardo Simoes in Sao PauloWriting by Stephen Eisenhammer and Gram SlatteryEditing by Brad Haynes and Alistair Bell)
Novavax developing vaccine that targets new COVID-19 variant
Novavax Inc said on Friday it had started working on a version of its COVID-19 vaccine to target the variant detected in South Africa and would have the shot ready for testing and manufacturing in the next few weeks.
The company’s COVID-19 shot contains an actual version of the virus’ spike protein that cannot cause disease but can trigger the immune system. The vaccine developer said it had started developing a spike protein specifically based on the known genetic sequence of the variant, B.1.1.529.
“The initial work will take a few weeks,” a company spokesperson said. Shares of the company closed up nearly 9% on Friday.
Novavax’s vaccine received its first emergency use approval earlier this month in Indonesia followed by the Philippines.
The company has said it is on track to file for U.S. approval by the end of the year. It has also filed for approvals with the European Medicines Agency as well as in Canada.
Other vaccine developers, including Germany’s BioNTech SE and Johnson & Johnson, have said they are testing the effectiveness of their shots against the new variant, which is named Omicron by the World Health Organisation.
Inovio Pharmaceuticals Inc said it had begun testing its vaccine candidate, INO-4800, to evaluate its effectiveness against the new variant. The company expects the testing to take about two weeks.
Inovio also said it was simultaneously designing a new vaccine candidate that specifically targeted Omicron.
“Best case scenario, INO-4800 … will be completely resilient against omicron, but if that’s not the case then we will have a newly designed vaccine ready to go if need be,” said Kate Broderick, senior vice president of Inovio’s R&D division.
Earlier this month, Inovio resumed a late-stage trial of its vaccine in the United States after 14 months on clinical hold.
(Reporting by Manojna Maddipatla and Mrinalika Roy in Bengaluru; Editing by Anil D’Silva)
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