A new study has found that Omicron sub-variants are less able to thrive in the blood of vaccinated people. REUTERS / Sumaya Hisham / File Photo
A new study has found that Omicron sub-variants are less able to thrive in the blood of vaccinated people. REUTERS / Sumaya Hisham / File Photo
Study shows new Omicron sub-variants can dodge immunity from past infection
World Health Organisation added the two latest strains to its list of monitoring in April
