Delta Covid-19 variant

New York : Although Omicron sub-variants have evolved to evade antibody responses from the primary Covid vaccine series, a new laboratory study suggests existing booster doses may elicit sufficient immune protection against severe Covid-19…

New Delhi : India saw a considerable rise in daily Covid cases with 20,557 new infections in the past 24 hours against previous day's 15,528 count, Union Health Ministry said on Wednesday.In the same period, 40 more deaths took the toll to…

New Delhi : India reported 15,528 new Covid cases in the last 24 hours, which is a decline from the previous day's count of 16,935, said the Union Health Ministry on Tuesday.In the same period, the country has reported 25 more Covid deaths,…

Wellington : New Zealand reported two community cases of Omicron BA.2.75 on Tuesday, the first time this subvariant has been detected in the country.Both cases are linked to known imported cases and are isolating at home, said the Ministry…

New Delhi : India on Monday reported 16,935 Covid infections, a decline against previous day's 20,528 count, as per the Union Health Ministry data.In the same period, 51 fatalities took the nationwide death toll to 5,25,760. Meanwhile,…

New York : About 23 per cent of people infected with Covid will become "long haulers", finds a study that identifies predictors of who is likely to develop the sometimes-debilitating symptoms that can last for months. The study finds…

New York : A second booster shot significantly improved effectiveness against widespread variants Omicron BA.1 and BA.2/BA.2.12.1, finds a study led by the US Centers for Disease Control and Prevention (CDC). All variants of Omicron are…

New Delhi : India on Sunday reached the historic milestone of 200 crore mark in Covid-19 vaccination. The milestone has been achieved after 18 months when the nation began the mass vaccination on January 16, 2021. According to the Co-Win…

New Delhi : India reported 20,528 new Covid cases in the last 24 hours, which is a marginal rise against the previous day's count of 20,044, said the Union Health Ministry on Sunday. In the same period, the country reported 49 more Covid…

New York : Vaccine protection against Covid-19 is short-lived and, therefore, booster shots are important, says a new study."The mRNA vaccines produce the highest levels of antibody response and in our analysis confer more durable…