Bad news for Johnson & Johnson's vaccine
from a team of New York University researchers found the one-shot Johnson & Johnson vaccine is far less effective at preventing coronavirus infections from the Delta variant and other mutated forms of the virus than from earlier strains, a concerning find since the Delta variant now accounts for almost all U.S. Covid-19 cases....
Clinical trials put the J&J vaccine's efficacy at around 66% against the original coronavirus strain, while the two-shot Pfizer and Moderna vaccines were more than 90% effective.Tuesday the Delta variant now makes up around 83% of all Covid cases in the United States.published by Johnson & Johnson, which suggested the vaccine was effective against Delta and other new variants.
. The number actually represents just a small slice of around 161.5 million Americans who have been fully vaccinated.Rising cases, hospitalizations and deaths across the U.S. are fueling concerns about another major Covid spike. Numerous cities and localities are now urging all residents to wear
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