Two new sublineages of the Omicron coronavirus variant can dodge antibodies from earlier infection well enough to trigger a new wave, but are far less able to thrive in the blood of people vaccinated against Covid-19.
COVID-19: People with double vaccination and booster shots are also falling prey to the highly infectious variant Omicron due to various reasons. Currently, Omicron BA.2 is dominant worldwide including in India.
The virologist whose discovery of the Omicron variant sparked Covid-19 travel bans on SA says if it happens again he will stop sharing his data internationally.