immunity

How Wearing a Mask Could Help Build Immunity to COVID-19

How Wearing a Mask Could Help Build Immunity to COVID-19

People infected with SARS-CoV-2, the virus that causes COVID-19, can spread the virus when they speak, sing, cough, sneeze or even just breathe. Scientists think face masks help limit virus spread by protecting everyone else from the infected wearer. As a result, face maks are now mandatory in many cities,…

Herd Immunity Won’t Save Us

Herd Immunity Won’t Save Us

If we cannot stop COVID-19, can we at least look forward to the point in time when we are all survivors of the disease, and presumably immune? It’s a tempting idea, but fatally flawed. Herd immunity can protect individuals, but it won’t keep a population safe from a disease that…