Hospitals filling up fast, says WHO as China battles Covid spike

New COVID-19 wave to hit Europe ‘in coming week’, warns watchdog

COVID-19: China detects new Omicron sub-variants BF.7 and BA.5.1.7, with over 1900 cases reported in 24 hours 

Omicron subvariants driving fresh Covid wave in Australia

Several European countries seeing rise in Covid infections due to Omicron subvariants BA.4 and BA.5: Report

Omicron sub-variant fuelling Portugal's COVID-19 surge

Despite an increase in COVID-19 cases, South Africa to drop masks for kids

Covid 4th wave in Delhi? New Omicron BA.2.12.1 sub-variant found to be causing surge in cases

New lab experiments from Japan shows that the Omicron sub-variant BA.2 may have features that make it capable of causing serious illness like older variants including Delta.

Study: BA.2 more severe than original Omicron variant

'Premature to declare victory' as highly infectious Omicron sub-variant found in 57 countries: WHO

Omicron sub-variant highly contagious than original, can even infect booster-vaccinated people: Study

Denmark becomes first European country to lift all Covid restrictions

COVID-19: Is Omicron 'sub-variant' BA.2 a threat in India? More than 400 cases found in England

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