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Pfizer and Moderna vaccines, the first two jabs authorised for emergency use against Covid-19 by the US Food and Drug Administration (FDA), produce immune responses that are both strong and potentially long-lasting, finds a study.While both…

Covid-19 positive patients with traumatic injuries, such as from car crashes, falls or other accidents, or those who were victims of violent injuries such as gunshots and stabbings, are six times more at risk of death and complication than…

A single mutation gives SARS-CoV-2, the virus that causes Covid-19, the ability to enter cells through another route, opening up the possibility of evading Covid antibodies or vaccines, finds a study.Early in the Covid-19 pandemic,…

India will get a share of the 16 million doses of the Covid-19 vaccines that US President Joe Biden is earmarking for Asia in the latest donations to COVAX, the international outfit for jab distribution to developing countries, according to…

While Alpha and Beta Covid variants are associated with higher transmission, patients with these variants show no evidence of higher viral loads in their upper respiratory tracts compared to the control group, a study led by Johns Hopkins…

An analysis of brain scans from people once infected with Covid-19 suggest a consistent pattern in loss of grey matter over time, say researchers. The researchers affiliated with the University of Oxford posted findings ahead of peer review…

Blood sugar-lowering drug Metformin can prevent pulmonary or lung inflammation, a major factor in Covid-19 severity and mortality, researchers have found in studies of mice infected by the SARS-CoV-2 coronavirus. Metformin is often used as…

Covid-19 produced more symptoms and complications than seasonal influenza in children, while death was rare among them, revealed a large new study.Early in the pandemic, opinions around the impact of Covid-19 on children and adolescents…

US Researchers have found a connection between a person's ability to perceive certain bitter stimulants and the symptoms and severity of their Covid-19 infection. The study, led by Baton Rouge General Medical Center, in Louisiana, found…

While previous research early in the pandemic suggested that vitamin D cuts the risk of contracting Covid-19, a new study finds there is no genetic evidence that it works as a protective measure against the coronavirus. According to the…