Covid-19 study

China is fighting numerous COVID-19 flare ups, from Zhengzhou in central Henan province to Chongqing in the southwest

Rapid antigen tests will now be conducted systematically at int’l airports

Says booster dose will be necessary prior to winter season as antibody levels are likely to wane

Experts concerned that B1617 variant contains mutations that could evade immune response

Those who have most severe prolonged symptoms tend to be white women aged approximately 40 to 60, finds study

People infected with Covid-19 develop antibodies targeting new coronavirus that lasts for at least three months

Study by researchers described 43 cases of patients with Covid-19 who suffered temporary brain dysfunction

Study of high-risk Covid-19 patients may explain why their health issues contribute to more severe cases of illness