Scientists at the US Food and Drug Administration (FDA) are strongly against administering only single doses of the Moderna and Pfizer vaccines, as their efficacy has only been proven if people get two shots, ANI reports quoting the Wall Street Journal.
“It is essential that these vaccines be used as authorized by FDA in order to prevent Covid-19 and related hospitalizations and death,” Peter Marks, director of the FDA center that oversees vaccines, told The Wall Street Journal on Saturday.
In February, some scientists and lawmakers suggested using a one-dose regimen for all coronavirus vaccines approved in the US, after certain preliminary studies showed that a single shot could be enough for some people.
“You would be flying blind to just use one dose,” a senior scientist and adviser to US President Joe Biden told The Wall Street Journal, adding “If you’re going to do something else other than follow the studies shown to the FDA, show…