Why do I need to wear a mask if I have already had COVID-19? I can’t infect anyone, and I can’t be infected by someone. Like everyone else, I am hoping that the vaccine will help infection rates and more people can get back to work. Who is it protecting when I wear a mask? Can I be reinfected?
Yes, you can. A recent study in the New England Journal of Medicine concluded that health-care workers in the U.K. who tested positive for immunoglobulin G (IgG) antibodies were protected…