XXB is one of the new class of Omicron variants that are spreading rapidly.

This variant is spreading fast in Singapore.

It was first detected in India in August 2022.

So far it is spreading in 17 countries Australia, Bangladesh, Denmark, India, Japan, USA.

According to the study, the new strain Omicron XXB is the most antibody evasive strain.

If you are not familiar with this XXB variant it can cause severe respiratory illness.

It is not known whether the vaccine of Covid 19 will be effective in the XXB variant.

Dr. Russo says that the booster dose can provide protection in the XXB version.