Will You Need a Booster Shot of the COVID-19 Vaccine?

Pfizer: Annual Covid-19 booster shots may become new normal

The United States has administered 205,871,913 doses of COVID-19 vaccines in the country as of Saturday morning and distributed 264,499,715 doses, the U.S. Centers for Disease Control and Prevention said on Saturday.

Initial data has shown that vaccines from Moderna Inc. and partners Pfizer Inc. and BioNTech SE retain most of their effectiveness for at least six months, although for how much longer has not been determined. "We will be having our vaccinations and we will be living our full lives".

According to data released several months ago by a member of the Belgian government, the Pfizer coronavirus jab has been the most expensive one for the European Union, along with the vaccine by Moderna.

Bulgarian Prime Minister Boyko Borissov explained earlier this week that the Pfizer vaccine's price was rising as sales were being negotiated, costing as much as 19.50 euros, up from 12 euros.

However, Bourla also stated, this information still needs to be confirmed.

"In poorer countries, including in Africa, we sell it at cost".

In February, Pfizer-BioNTech began studying a third dose of its existing vaccine among people enrolled in the early phase of the vaccine; the company's scientists are also developing a new version of the vaccine directed specifically against the aforementioned B.1.351 variant.

And David Kessler, MD, of the Biden administration's COVID response team told a congressional committee on Thursday that Americans should expect to receive booster shots to protect against coronavirus variants, CNBC reported.

"The current thinking is those who are more vulnerable will have to go first", he said.

He suggested that there would likely be a situation where people will need to get yearly vaccines to remain protected from the worst effects of COVID-19.

"We don't know everything at this moment", he told the House Coronavirus Crisis Subcommittee.

"We believe especially people at high risk should get a boost in the fall, and we want to make sure we have the best possible boost", Bancel said.

Existing vaccines seem to work well on the variants, with one exception: the South African variant. The strategy allows them to quickly swap in new genetic instructions, coding for the variant instead of the original virus, in a matter of six weeks, compared to other techniques that require growing vast amounts of virus and culturing them for weeks or months.



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