Covishield

New Delhi : Individuals infected with Omicron have significant immune response which could neutralise not only Omicron, but also other variants of concern, including the most prevalent Delta variant, an Indian Council of Medical Research…

Geneva : The next Covid-19 variant that will rise will be more contagious than Omicron, but there's no guarantee that the future strains will be milder, the World Health Organization said.According to Maria Van Kerkhove, WHO's Covid-19…

New York : An international team of scientists has determined the precise structural changes in the spike protein of the Omicron variant.Their observations explain how the virus is able to evade antibodies against previous variants and…

New York : Two forms of immunity breakthrough infections following vaccination or natural infection followed by vaccination provide roughly equal levels of enhanced immune protection, finds a study.The study, published online in the journal…

Washington : Amid an ongoing resurgence across the world, the global coronavirus caseload has topped 357.9 million, while the deaths have surged to more than 5.61 million and vaccinations to over 9.85 billion, according to Johns Hopkins…

New York : The US has started to distribute free N95 masks while a clinical study has been launched to evaluate a specific vaccine targeting the rampant Omicron variant of Covid-19.Free N95 masks are now available at some US stores as part…

Berlin : German biotechnology company BioNTech and US company Pfizer have started clinical trials of an Omicron-based Covid-19 vaccine candidate in healthy adults aged from 18 to 55 years, the companies have said.The trials would evaluate…

Delhi : While Covid-19 has primarily been a respiratory disease, about 90 per cent of people with moderate to severe infections have lasting effects on the heart, said experts here.Covid affects lungs the most, but studies have shown there…

London : The Omicron variant of Covid is highly contagious but is known to cause less severe disease than Delta. This is after being better at escaping immune protection by vaccinations and previous infections. However, the reasons for this…

Hong Kong : Despite low absolute risk, there is an increased relative risk of carditis a type of heart inflammation associated with Covid vaccine developed by US drugmaker Pfizer and China's CoronaVac, researchers have found.The findings,…