As SARS-CoV-2, the virus causing Covid-19, evolves it tends to mutate and bring new variants as well as cause changes to the spike protein -- a fact that can render the current vaccines targeting the protein ineffective....
The number of Covid-19 cases in Africa has increased at an unprecedented pace as the continent grapples amid the ongoing third wave that has posed a dire threat to the continent's public health infrastructure, a World Health Organization (WHO) official said....
The American Red Cross has warned of a "severe" blood shortage nationwide of "unprecedented levels" amid a tough battle against the Covid-19 pandemic, the media reported....
Australian scientists have found that SARS-CoV-2, the virus that caused the Covid-19 pandemic, is most ideally adapted to infect human cells -- rather than bat or pangolin cells, again raising questions of its origin....
More than 2 million people in England may have had long Covid-19 lasting for at least 12 weeks, a new research has revealed....
The US National Institutes of Health has deleted gene sequences of early Covid-19 cases from a key scientific database at the request of Chinese researchers, claimed a Seattle-based virologist....
A team of developers in India has created a new app that is supported by Johns Hopkins University in the US and designed to guide people isolating at home after testing Covid-19 positive, right on their smartphones....
The European Centre for Disease Prevention and Control (ECDC) said that the Covid-19 Delta variant is expected to account for nearly all new cases in the continent by August....
Out of a number of deficiencies that bring health problems in general and to women in particular, iron deficiency is the leading one. Iron is necessary for producing haemoglobin that carries oxygen...
A single dose of either the Pfizer or AstraZeneca Covid-19 vaccine offers around 60 per cent protection against infection from SARS-CoV-2, the virus causing Covid-19, in adults aged 65 years and above, according to a new study published in the The Lancet Infectious....
