Covid-19: How to cut your risk of catching the BA.4 and BA.5 subvariants


The latest omicron subvariants are more transmissible and better able to evade immunity from vaccines and past infections, but there are still steps you can take to reduce your risk of infection


15 July 2022

NEW YORK, NY - JUNE 08: Passengers wear masks at the subway during rush hour on June 08, 2021 in New York City. New York City's subways are now operating 24-7 as Covid-19 cases have dropped and more Americans receive the vaccination for Covid-19. (Photo by Robert Nickelsberg/Getty Images)

Passengers wear masks on the New York City subway

Robert Nickelsberg/Getty Images

The BA.4 and BA.5 covid-19 strains now driving waves of infections in many countries are the most contagious yet – mostly due to mutations that allow them to dodge our immune defences. The good news, though, is that there is still plenty you can do to reduce your risk of infection.

Over the last two weeks, global cases of covid-19 have increased by 30 per cent, largely due to omicron subvariants BA.4 and BA.5, according to the World Health Organization (WHO).

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