Provinces and territories should quickly get ready to offer fourth doses of COVID-19 vaccines in the coming weeks starting with people over the age of 80 and long-term care residents, the National Advisory Committee on Immunization recommended Tuesday.
New research suggests that symptoms linked to long COVID could vary depending on which COVID-19 variant a person is infected with, but infectious disease experts say they are not yet convinced.
China has sent more than 10,000 health workers from across the country to Shanghai, including 2,000 military medical staff, as it struggles to stamp out a rapidly spreading COVID-19 outbreak in China s largest city.
After more than two years of COVID-19 and millions of cases, the question of why some people get infected and others do not remains somewhat of a mystery.
COVID-19 cases in China s largest city of Shanghai are still rising with millions isolated at home under a sweeping lockdown, as the draconian zero tolerance approach to the pandemic increasingly draws complaints from residents fed up with the restrictions.