Will We Still Need To Wear Masks And Practice Physical Distancing Once Vaccinated Where These Are Mandated?

The wearing of masks and practising of physical distancing will be required until a large proportion of the population is vaccinated and we are sure the vaccine provides long-term protection. Herd immunity is achieved when a sufficient proportion of the population is made non-infectious through vaccination so that the likelihood of an infectious individual transmitting to a susceptible individual is very low. Frequent hand washing and respiratory etiquette are essential in stopping the spread.