Beijing: About four in 10 Covid cases are asymptomatic, making them potential sources of increased transmission of the infectious disease, according to a study. The study led by researchers at Peking University in China evaluated the percentage of asymptomatic infections among individuals undergoing testing (tested population) and those with confirmed Covid-19 (confirmed population). They conducted a […]
Researchers from the University of Padua (Italy) and the Imperial College London tested more than 85 per cent of the 3,000 residents of Vo' in Italy, in February/March 2020 for infection with SARS-CoV-2
Ondrej is currently asymptomatic and is in isolation according to the rules. This was the second case in the Czech team after an official was revealed COVID positive by a test after the contingent's arrival at the airport.
The team led by Newcastle University in the UK demonstrated that the gene HLA-DRB1*04:01 is found three times as often in people who are asymptomatic, suggesting that people carrying this gene have some level of protection from severe Covid.
Asymptomatic patients continue to drive the ongoing second wave of Covid infections and challenge the containment strategies of public health officials
"The possibility of reinfections could have significant implications for our understanding of Covid-19 immunity, especially in the absence of an effective vaccine."