Total 5 Posts
Abnormal functioning of the immune system is what characterises severe COVID, and can be driven by diabetes, obesity, sex and age.
Scientists were not surprised by reports on coronavirus reinfection; the lack of symptoms on reinfection is encouraging.
Some people who have never had COVID-19 have the antibodies to fight it – possibly from an earlier infection with a different coronavirus.
Researchers cannot agree on topics such as face mask, immunity, and number of coronavirus infections. A microbiologist explains why.