Delta Covid-19 variant

Washington : The highly transmissible Omicron sub-variant XBB.1.5 now accounts for over 80 per cent of new Covid-19 cases reported in the US, according to the latest estimates of the Centers for Disease Control and Prevention (CDC).…

New York : Scientists have found that Covid-19 infection can cause changes in calcium channels that can affect how the heart beats which can also trigger inflammation and oxidative stress in the heart. In heart tissue from patients who…

Stockholm : Sweden has discarded nearly 8.5 million doses of vaccines against Covid-19, local media reported. The discarded doses equal to about 20 per cent of vaccine doses Sweden has procured, according to Swedish Public Health Agency's…

Los Angeles : The highly transmissible Omicron subvariant XBB.1.5 now accounts for about three-fourths of all Covid-19 cases reported in the US this week, according to the estimates released by the US Centers for Disease Control and…

Beijing : No new Covid-19 variants have emerged in China during the recent surge in infections since the country ended its zero-Covid policy, according to an analysis of cases in Beijing published in The Lancet. The study suggests two…

Varanasi : A study by scientists of the Banaras Hindu University (BHU) has claimed that the actual number of Covid-19 cases in India, including unreported and asymptomatic, could be 17 times more than the official figure of 4.5 crore.…

Canberra : Australian Minister for Health Mark Butler on Wednesday said the government has accepted the advice from the Australian Technical Advisory Group on Immunisation (ATAGI) to roll out a new round of booster shots. From February…

New York : Long Covid patients are susceptible to developing only seven health symptoms for up to a year following the infection, a new study has revealed. These seven symptoms are fast-beating heart, hair loss, fatigue, chest pain,…

Geneva : The WHO has said that the Covid-19 pandemic still constitutes a Public Health Emergency of International Concern (PHEIC), the WHO's highest alert level. The announcement came amid the recent increase of weekly reported deaths…

Hong Kong : In people with multiple health conditions, a booster (third) dose of a Covid vaccine was associated with a 90 per cent reduction in death when compared to two doses, a new study has shown. "We found a substantially reduced…