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New York : People with HIV have a higher rate of breakthrough Covid-19 infections after vaccination, compared to people without HIV, according to a study.A "breakthrough infection" is when a fully vaccinated person contracts Covid. The…

New York : Are you allergic to certain foods? You may be at 50 per cent lower risk for infection with SARS-CoV-2, the virus that causes Covid-19, finds a study. US researchers at National Jewish Health and Vanderbilt University speculated…

New York : Sharks, known as ancient predators with prehistoric immune systems, may be key to developing effective Covid-19 treatments, suggests a study.Fossil evidence suggests sharks first existed 420 million years ago, predating humanity,…

London : Disruption to cardiac services during the Covid-19 pandemic has caused a "global collateral damage" that may have lasting ramifications, according to a study published on Tuesday. In the paper published in the European Heart…

London : Turns out that fears about asymptomatic Covid spread were overblown. A novel study has claimed that people infected with SARS-CoV-2 but had no symptoms are two-thirds less likely to pass virus to others.Asymptomatic people were…

Sydney : Researchers have identified two enzymes that play a role in increasing people with chronic obstructive pulmonary disease (COPD) risk of developing severe Covid-19. An inflammatory lung condition, COPD causes airway blockage and…

London : Some cells infected with Covid-19 can "explode", leading to serious damage of the lungs and other internal organs, found a team of UK researchers including one of Indian-origin. SARS-CoV-2 is known to cause acute respiratory…

London : People with diabetes were almost twice as likely to die with Covid and almost three times as likely to be critically or severely ill compared to those without diabetes, finds a study. The study conducted by researchers from the…

London : A second Covid-19 booster dose, or the fourth jab against the virus, boosts immunity more than the initial or the third dose, according to a UK trial. The UK rolled out fourth doses to over-75s and those over the age of 12 who are…

New York : People who escape the worst symptoms of Covid-19 infection may be having the right balance of a type of immune cells called macrophages, suggests a new study.Since SARS-CoV-2 first began storming around the world in early 2020,…