Ontario to get 2.4 million COVID-19 vaccines in early 2021: Elliott

Pfizer in final steps of attaining FDA emergency approval for COVID-19 vaccine

"We have seen tremendous uptake of that option already", Azar said yesterday. Of the patients who received placebo, 162 developed COVID-19, compared to eight people who got the mRNA vaccine. Pfizer's vaccine can be stored in conventional freezers for up to five days, or in the special coolers for up to 15 days, as long as the dry ice is replenished and the boxes are not opened more than twice a day.

Two weeks after warning about a mutated variant of the virus in minks that could threaten the effectiveness of a vaccine, Denmark said Thursday the strain has likely been eradicated. The FDA also required companies to submit two months worth of safety data before filing for an emergency authorization.

Pfizer and BioNTech announced a positive development in their latest findings from their COVID-19 vaccine candidate, BNT162b2. That's a game-changer. By triggering production of the spike protein, the vaccine teaches the immune system to be on the lookout for the virus.

Both companies announced promising breakthroughs in their COVID-19 trials this week.

The Pfizer vaccine works by producing both an antibody and T-cell response in the body to fight coronavirus.

The genetic material mRNA is easy to make in a laboratory.

Safety is the first and foremost goal for a vaccine.

In contrast, Korea has yet to sign a single supply contract with private vaccine developers except for 10 million vaccines secured through COVAX, an worldwide organization related to the Covid-19 vaccine.

Typically, large-scale manufacturing begins only once the vaccine has been tested in clinical trials. The vaccine was 95 percent effective at preventing disease in the large clinical trial, and Pfizer and BioNTech had gathered sufficient safety data to support an application, with no major safety problems identified.


Dr. Theresa Tam said that the National Advisory Committee on Immunization (NACI) has provided preliminary guidance on key populations that should be considered for the first round of vaccines, including those at high risk of developing severe illness.

United States health authorities cautioned Americans on Thursday against travelling for the Thanksgiving holiday next week, as the coronavirus spreads.

Are these vaccines riskier than others?

However, Professor Jonathan Van-Tam - who appeared at the news conference remotely as he is self-isolating after a "household contact" - warned delivering a vaccine might not be "totally straightforward". "If you think about the economic value of a vaccine-I'm not speaking about the human value because there is no way to measure human life-I think the millions of jobs that will not be lost, that hopefully will come back, and the billions in economic value that a successful vaccine will enable-I think it's not appropriate to discuss if we sell it at $19.50 per dose".

The vaccine also had only mild-to-moderate and short-lived side-effects.

EUA stands for emergency use authorization.

The European Commission outlined its coronavirus vaccine strategy in June, predicting the availability of a safe and effective Covid vaccine within a 12-18 month period, "if not earlier", and recommending flexibility when it comes to regulatory processes.

It is also requiring a median of two months of follow-up after completion of the vaccination for half of the vaccine recipients (for most of the vaccines this is two doses).

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