Omicron sub-variant found in 57 countries: WHO
Eruption-hit Tonga enters lockdown as COVID detected
1 February 2022Exercise may boost impact of pre-surgical chemo in patients with food pipe (oesophageal) cancer
1 February 2022Omicron sub-variant found in 57 countries: WHO
A sub-variant of the highly contagious Omicron coronavirus strain, which some studies indicate could be even more infectious than the original version, has been detected in 57 countries, the WHO said Tuesday.
