New analysis shows that Johnson & Johnson’s single-dose vaccine works well.
The one-shot Johnson & Johnson coronavirus vaccine offers strong protection against serious illness and death from Covid-19 and is reported to reduce the spread of the virus through vaccinated people New analyzes published online from the Food and Drug Administration on Wednesday.
The vaccine had an overall effectiveness rate of 72 percent in the US and 64 percent in South Africa, where a highly contagious variant emerged in the fall and is now driving the majority of cases. The effectiveness in South Africa was seven percentage points higher than previous data published by the company.
The vaccine also showed 86 percent effectiveness against severe forms of Covid-19 in the US and 82 percent against serious diseases in South Africa. This means that a vaccinated person has a far lower risk …