What we know about COVID-19 and what we need to find out?

WHAT WE KNOW WHAT WE DON’T KNOW We know how many people have been admitted to hospital with COVID-19 and died   We don’t know how many people have had mild COVID-19 infection or have been infected without developing symptoms.    We know that COVID-19 often causes a cough and a high temperature.   We … Continue reading What we know about COVID-19 and what we need to find out?