New low-cost test can diagnose COVID-19 in just 20 minutes

Scientists have developed a new low-cost nasal swab test which can accurately diagnose the presence of SARS-CoV-2 virus that causes COVID-19 in just 20 minutes.   The findings, published in......

Antibodies may not guarantee protection from COVID-19: Scientists

The presence of antibodies indicates previous exposure to the SARS-CoV-2 virus but may not always translate into protection against the disease, say scientists, citing imponderables such as what......

Lancet Study finds Russian vaccine safe, effective

Russia's 'Sputnik V' COVID-19 vaccine, approved in the country last month, produced antibody response in all participants with no serious adverse events in small human trials, according to the......

Russia's COVID vaccine shows over 91% efficacy in phase 3 trial

Russia's Sputnik V vaccine against COVID-19 has shown 91.6 per cent efficacy in the phase 3 trial without any serious side effects, according to an interim analysis of data published in The Lancet......