Vaccine Stocks Drop With J&J Set to Release Third U.S. Shot

27 Février, 2021, 03:54 | Auteur: Adelaide Bullion
  • Canada announces partnership with India-based company to secure more AstraZeneca vaccines

The Food and Drug Administration took another step toward granting emergency use authorization to a third COVID-19 vaccine Wednesday, announcing that a single dose of Johnson & Johnson's vaccine showed 86% efficacy against severe cases of disease in a US trial. Most of those shots are expected to arrive by the end of September.

If many Americans opted to wait for a preferred vaccine, it would not only leave more people at risk of developing a serious case of covid, but would also likely slow down the country's vaccination program, which only recently started gaining steam after a tepid start. But by the end of March, J&J has said it can supply enough to vaccinate 20 million people, a much-needed boost to stretched supplies.

The best vaccine choice, they said, is the one you can get the soonest.

Tam added that average daily case counts in Ontario, Alberta and British Columbia have increased between eight and 14 per cent over the previous week.

More than 47 million people in the USA, or 14 per cent of the population, have received at least one shot of the two-dose vaccines from Pfizer and Moderna, which FDA authorized in December.

In the report, FDA indicated that the J&J coronavirus vaccine is safe and 85% effective in preventing severe cases of the novel coronavirus.

If the panel votes that the vaccine's benefits outweigh its risks, as expected, the agency could grant emergency clearance within days, providing a badly needed boost to USA vaccine supplies.

Biden administration officials have said the US expects J&J to release 3 million to 4 million shots next week, assuming it's authorized for use.

Importantly, the FDA reported this week that, just like its predecessors, the J&J shot offers strong protection against the worst outcomes, hospitalization and death.

Canada announces partnership with India-based company to secure more AstraZeneca vaccines

Still, the nuances of the vaccines raise ethical questions.

A total of 1,899,671 Pfizer and Moderna vaccine doses have been administered in New Jersey as of Friday morning - including 1,262,000 first doses and 636,947 second doses, according to the state's dashboard.

"I'm very anxious about how that would be perceived", Balcezak said.

The J&J vaccine is also easier to handle, lasting three months in the refrigerator compared to the Pfizer and Moderna options, which must be frozen.

Given the current rates of vaccine development and production, experts estimate that most adults who want to be vaccinated should be able to do so by the summer, said Marc Siegel, an associate professor of medicine in the Division of Infectious Diseases at George Washington University.

Health Canada is still reviewing the vaccine. With time, Siegel said, there will likely be clear public guidance from the Advisory Committee on Immunization Practices, an independent panel that advises the Centers for Disease Control and Prevention on the use of vaccines.

Other parts of the world already are facing which-is-best challenges.

While Tam warned that COVID-19 variants can spread more quickly and easily become dominant, progress on the vaccine front is a source of optimism, she noted. AstraZeneca's vaccine was deemed to be about 70 per cent effective in testing. The country, where a virus variant is driving a new wave of infections, switched to J&J from AstraZeneca after a small study suggested it was poor at preventing mild to moderate COVID-19 caused by the more contagious variant.

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