The study indicates that previous infection in vaccinated people (the so-called hybrid immunity) continues to confer immunity for the variants that are known for their ability to evade the immune response.
Chinese-made Omicron vaccine trials get going--China Economic Net en.ce.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from en.ce.cn Daily Mail and Mail on Sunday newspapers.
The COVID-19 testing site at the Mesa County Fairgrounds is set to close March 26 and other COVID-19 operations are being scaled back in response to a decrease in cases