Mathai Mammen

4 results

A booster dose of Johnson & Johnson’s Covid-19 vaccine provided 100 per cent protection against severe disease when given two months after the first inoculation. Photograph: Justin Tallis/AFP via Getty Images

A booster dose of Johnson & Johnson’s Covid-19 vaccine provided 100 per cent protection against severe disease when given two months after the fir(...)

Trial participants were given the booster six months after the first shot, according to J&J. Photograph: AFP via Getty

Johnson & Johnson (J&J) said a booster of its Covid-19 vaccine provided a rapid and strong increase in antibodies, supporting use of a second (...)

The World Health Organisation has said Delta is becoming the globally dominant variant of Covid-19, raising concerns over whether existing vaccines will work against it. Photograph: AFP via Getty

Johnson & Johnson said its single-shot Covid-19 vaccine showed promise against the highly contagious Delta variant in a laboratory study. An anal(...)

A one-shot vaccine developed by Johnson & Johnson generated strong protection against Covid-19 in a large, late-stage trial. Photograph: Tino Romano/EPA

A one-shot vaccine developed by Johnson & Johnson generated strong protection against Covid-19 in a large, late-stage trial, raising hopes that it(...)