PREMIUM
CRISTINA MARRONE (CORRIERE DELLA SERA)
Updated on Monday, March 1, 2021 - 08:26
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Live.
Coronavirus today, live news
Covid-19.
"There is no reason to be suspicious of any of the approved vaccines"
The FAD, the US drug regulator, has ensured that pharmaceutical companies will not have to conduct lengthy clinical trials to test their modified vaccines to cope with the variants, which will be used as boosters.
According to the FDA, the process will be similar to the one that updates the flu vaccine each year, with small-scale testing.
The emergence of
coronavirus
variants
is worrisome because they spread rapidly and some of those that exist today escape
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