British Prime Minister Boris Johnson and Chief Medical Officer Chris Whitty during a press conference on the variant in London. Reuters
Indian students apply the finishing touches to paintings created to raise awareness of the variant in Mumbai. Reuters
International travellers wearing personal protective equipment arrive at Melbourne's Tullamarine Airport as Australia records its first cases of the Omicron variant. AFP
A greeting at the international terminal of Sydney Airport, as countries respond to the new variant. Reuters
A sign asking people to wear face coverings in a building in Manhattan as the newly discovered Omicron variant appears in countries around the world. AFP
Tourists wave as the ‘Europa’ passenger liner arrives in South African waters off Cape Town as the new coronavirus variant Omicron spreads in other countries. Reuters
Schiphol airport in Amsterdam. Dutch health authorities said they have found another case of the Omicron Covid-19 variant among passengers arriving from South Africa, bringing the country’s total to 14. AFP
Pupils wear face masks in Beijing. Despite the global worry, scientists say it remains unclear whether the Omicron variant is more dangerous than other strains of the virus. AP
People wearing face masks in Manhattan. New York's governor has declared a state of emergency due to the risk of a surge of Covid-19 cases as winter sets in. AFP
British Health Secretary Sajid Javid meets a member of staff at a vaccine centre in Guy's and St Thomas' Hospital, London. Getty Images
A sign points the way to a Covid-19 test centre at Schiphol Airport in the Netherlands. AFP
Narita International Airport in Japan is quiet after travel was restricted to prevent the spread of Omicron. Reuters
A PCR test at O.R. Tambo International Airport in Johannesburg. AFP
Soekarno Hatta International airport. Indonesia has banned the arrival of travellers who have recently been in eight southern African countries. Reuters
Suvarnabhumi Airport in Bangkok after Thailand banned entry from eight southern African countries due to the Omicron variant. Reuters
Travellers wear personal protective equipment outside the international terminal at Sydney Airport, Australia. Reuters
Passengers wearing protective gear at Incheon International Airport in South Korea, where health authorities have imposed an entry ban on foreign arrivals from eight African countries, including South Africa. EPA
Ben Gurion International Airport near Tel Aviv. The Israeli government approved a 14-day ban on foreign arrivals over concerns about Omicron. EPA
Travellers queuing in the hope of boarding an overbooked Lufthansa flight at Cape Town International Airport. Antonie Robertson / The National
Covid-stricken Czech President Milos Zeman sits in a plastic cage as he appoints Petr Fiala as Prime Minister, near Prague. AFP
Tourists checking in at Cape Town International Airport in South Africa. Antonie Robertson / The National
Several airlines have stopped flying out of South Africa amid the spread of the new variant, causing disruption at O.R. Tambo International Airport in Johannesburg. Reuters
Australian Health Minister Greg Hunt at a press conference at Parliament House in Canberra. Two cases of the recently discovered Omicron variant were detected in New South Wales. EPA
Passengers, many not wearing face coverings, on the London Underground. Health Secretary Sajid Javid said mandatory mask-wearing would return to shops and public transport in England but there are concerns over how the rule will be enforced. AFP
A stroll, with face masks, in Biarritz, south-western France. French Health Minister Olivier Veran said France had no confirmed cases of the Omicron variant and was not changing its strategy of increasing vaccinations and booster shots. AP
British Prime Minister Boris Johnson and Chief Medical Officer Chris Whitty during a press conference on the variant in London. Reuters
Indian students apply the finishing touches to paintings created to raise awareness of the variant in Mumbai. Reuters
International travellers wearing personal protective equipment arrive at Melbourne's Tullamarine Airport as Australia records its first cases of the Omicron variant. AFP
A greeting at the international terminal of Sydney Airport, as countries respond to the new variant. Reuters
A sign asking people to wear face coverings in a building in Manhattan as the newly discovered Omicron variant appears in countries around the world. AFP
Tourists wave as the ‘Europa’ passenger liner arrives in South African waters off Cape Town as the new coronavirus variant Omicron spreads in other countries. Reuters
Schiphol airport in Amsterdam. Dutch health authorities said they have found another case of the Omicron Covid-19 variant among passengers arriving from South Africa, bringing the country’s total to 14. AFP
Pupils wear face masks in Beijing. Despite the global worry, scientists say it remains unclear whether the Omicron variant is more dangerous than other strains of the virus. AP
People wearing face masks in Manhattan. New York's governor has declared a state of emergency due to the risk of a surge of Covid-19 cases as winter sets in. AFP
British Health Secretary Sajid Javid meets a member of staff at a vaccine centre in Guy's and St Thomas' Hospital, London. Getty Images
A sign points the way to a Covid-19 test centre at Schiphol Airport in the Netherlands. AFP
Narita International Airport in Japan is quiet after travel was restricted to prevent the spread of Omicron. Reuters
A PCR test at O.R. Tambo International Airport in Johannesburg. AFP
Soekarno Hatta International airport. Indonesia has banned the arrival of travellers who have recently been in eight southern African countries. Reuters
Suvarnabhumi Airport in Bangkok after Thailand banned entry from eight southern African countries due to the Omicron variant. Reuters
Travellers wear personal protective equipment outside the international terminal at Sydney Airport, Australia. Reuters
Passengers wearing protective gear at Incheon International Airport in South Korea, where health authorities have imposed an entry ban on foreign arrivals from eight African countries, including South Africa. EPA
Ben Gurion International Airport near Tel Aviv. The Israeli government approved a 14-day ban on foreign arrivals over concerns about Omicron. EPA
Travellers queuing in the hope of boarding an overbooked Lufthansa flight at Cape Town International Airport. Antonie Robertson / The National
Covid-stricken Czech President Milos Zeman sits in a plastic cage as he appoints Petr Fiala as Prime Minister, near Prague. AFP
Tourists checking in at Cape Town International Airport in South Africa. Antonie Robertson / The National
Several airlines have stopped flying out of South Africa amid the spread of the new variant, causing disruption at O.R. Tambo International Airport in Johannesburg. Reuters
Australian Health Minister Greg Hunt at a press conference at Parliament House in Canberra. Two cases of the recently discovered Omicron variant were detected in New South Wales. EPA
Passengers, many not wearing face coverings, on the London Underground. Health Secretary Sajid Javid said mandatory mask-wearing would return to shops and public transport in England but there are concerns over how the rule will be enforced. AFP
A stroll, with face masks, in Biarritz, south-western France. French Health Minister Olivier Veran said France had no confirmed cases of the Omicron variant and was not changing its strategy of increasing vaccinations and booster shots. AP
British Prime Minister Boris Johnson and Chief Medical Officer Chris Whitty during a press conference on the variant in London. Reuters