How much does one coronavirus vaccine dose protect you and others?

By Michael Le Page

ABOUT 70 million doses of vaccines against covid-19 have now been administered worldwide, including in excess of 20 million in the US.

In the UK, where more than 7 million people have received a first dose, most people will be required to wait for about three months before they receive the second dose.

This has left many wondering how protected they are, and what measures they still need to take for their safety and that of others. Here’s what you need to know. …