J&J’s One-Shot Vaccine Shows 66% Efficacy, But Company Says There’s More To It
Prevention Of Severe Disease Consistent Across Geographies
The drug maker played up the 85% prevention of severe disease and 100% prevention of hospitalization and death despite lower overall efficacy relative to mRNA vaccines.
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South Africa recently decided against using AstraZeneca partner Serum Institute’s vaccine for its immunization program, given its low efficacy against the B.1.351 strain. However, certain vaccines have shown higher efficacy. Is this a sign that newer strains of SARS-CoV-2 could upset supply deals and revenue projections for some vaccines?
A WHO team concludes a high-profile investigation in Wuhan, where the first coronavirus cases surfaced over a year ago, while a single-dose vaccine from China's CanSino is on the way.