When possible you need a booster vaccine

April 15 (Reuters) – The United States prepares for
the possibility of a booster shot being required between nine to
12 months after the initial vaccination of people
COVID-19, a White House official said on Thursday.

While the duration of immunity after vaccination is
studied, booster vaccines may be needed, David Kessler, chief
scientific officer for President Joe Biden’s COVID-19 response task
The force declared a meeting of the congressional committee.

“The current thinking is that of those who are more vulnerable
I have to go first, “he said.

Meanwhile, Pfizer Inc. CEO Albert Bourla
said that “probably” people will need a third booster dose of COVID-19
vaccines within 12 months and may need annual vaccines, CNBC
reported on the basis of his April 1 comments, which were made
public on Thursday. (https://cnb.cx/2Q4MXS1)

Initial data showed that vaccines from Moderna Inc.
and partners Pfizer Inc. and BioNTech SE
it retains most of its effectiveness for at least six
Monday, although for how long it has not been established.

Even if this protection lasts much longer than six months,
experts said that variants of the are spreading rapidly
coronavirus and others that may occur may lead to need
for regular booster vaccines similar to annual influenza vaccines.

The United States also monitors infections in people who
were completely vaccinated, Rochelle Walensky, director
The US Centers for Disease Control and Prevention has declared the House
hearing of the subcommittee.

Out of 77 million people vaccinated in the United States, there
5,800 such infections were discovered, Walensky said.
including 396 people who needed hospitalization and 74 who
deceased.

Walensky said some of these infections occurred because
the vaccinated person did not have a strong immune response.
But the concern is that in some cases, they appear in
people infected with more contagious virus variants.

Earlier this month, Pfizer and partner BioNTech
said their vaccine is about 91% effective in preventing
COVID-19, citing updated process data that included more than
12,000 people were completely inoculated for at least six months.
(Reporting by Manas Mishra in Bengaluru and Julie Steenhuysen
in Chicago, additional reporting by Mrinalika Roy; Editing by
Bill Berkrot and Arun Koyyur)

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