The patient, a traveller who returned to California from South Africa on Nov 22, was fully vaccinated and had mild symptoms that are improving
Serum sends 4.5m AZ doses
Brazil on alert after third case of omicron variant
Denmark reports record daily COVID cases
Serum Institute delivers first Novavax shot through COVAX
S Korea reports 5 omicron cases on flight from Nigeria
Variants highlight need for local vaccine development: Philippines
COVID positivity rate rises to 1.5% again
Omicron: What is known — and still unknown
WHO warns against blanket travel bans over omicron
Omicron could outcompete delta: South African expert
Omicron jolts markets on vaccine fears
Norwegians should wear face masks more: PM
England pushes mask mandates to tackle omicron
Winter Olympics to proceed as planned: China
UN chief concerned about S Africa isolation over omicron
Moderna shots less effective against omicron: CEO
Travellers to Sydney with Omicron transited at Changi: Singapore
Omicron fears prompt Hong Kong to expand travel curbs
All adults should get COVID-19 booster shots
Fragmented reactions hinder global fight against omicron
Can omicron outrun delta?
US health officials urge vaccinations as omicron spreads
Does omicron cause only mild illness?
Omicron poses "very high" global risk: WHO
Thermo Fisher says its test detects omicron
Japan to bar foreign visitors as Omicron spreads
Not yet clear if Omicron is more severe: WHO
African nations feel brunt of West’s COVID response
Singapore, Malaysia reopen border for vaccinated travellers
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