Americans vaccinated with the sera from Pfizer and Moderna will be able to receive a third injection eight months after the second, starting the week of September 20, health authorities announced Wednesday (August 18).
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"
The available data clearly show that the protection against infection with SARS-CoV-2 begins to decline over time after the first doses of vaccine
", justified in a joint statement of senior officials, including the director of the Prevention Centers and Disease Control (CDC) Rochelle Walensky and Acting Head of the United States Drugs Agency (FDA) Janet Woodcock.
“
Added to the dominance of the Delta variant, we are starting to see evidence of reduced protection against mild and moderate cases of the disease,
” they add.
"
We are ready to offer booster doses for all Americans as early as the week of September 20, starting eight months after the second dose,
" they said in the statement, also signed by the White House adviser on the pandemic, Anthony Fauci.
Elderly people and healthcare professionals
This decision, however, depends on the authorization of an additional dose of these two vaccines by the United States Medicines Agency (FDA), they specify.
The first people to be able to benefit from this booster dose will be "
residents of retirement homes
", "
other elderly people
" and "
many health professionals
", who were the first categories of the population to be vaccinated in the past. United States.
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The first vaccine injections had taken place in December 2020 in the United States, the remedies of Pfizer and Moderna having been authorized urgently only a week apart. A booster dose will also "
probably be necessary
" for people who have received a single injection of the Johnson & Johnson vaccine, health officials say. But vaccinations with this serum did not start in the United States "
until March 2021
", and data concerning them are expected "
in the coming weeks
". People vaccinated with Johnson & Johnson are in the minority in the United States (nearly 14 million).
