SA back on UK’s travel red list over new Covid-19 variant
The Covid-19 variant poses ‘a potentially significant threat to the vaccine programme’, say British officials
25 November 2021 - 23:00
UPDATED 26 November 2021 - 00:08
byAnirudh Saligrama
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The UK will place SA temporarily back under red list travel restrictions after scientists raised the alarm over the new Covid-19 variant.
The newly identified coronavirus variant that has spread in SA is the most concerning that British health officials have yet seen as it has double the number of mutations of the Delta variant, including some associated with evading immune response.
Britain announced it was temporarily banning flights from SA and five other countries from midday on Friday and returning British travellers from those destinations would have to quarantine.
The UK Health Security Agency said that the variant — called B.1.1.529 — has a spike protein that was dramatically different to the one in the original coronavirus that Covid-19 vaccines are based on. It has mutations that are likely to evade the immune response generated both by prior infection and vaccination, and also mutations associated with increased infectivity.
Lab studies are needed to assess the likelihood of the mutations resulting in greatly reduced vaccine efficacy, scientists said. Officials have advised the government on the need to act swiftly and pre-emptively in case the concerns over the impact of variant are borne out, even though it could take weeks to generate all the information needed about its characteristics.
Earlier on Thursday, South African scientists said they had detected the new Covid-19 variant in small numbers and were working to understand its potential implications. The variant has a "very unusual constellation" of mutations, which are concerning because they could help it evade the body's immune response and make it more transmissible, the scientists told reporters at a news conference.
The variant has also been found in Botswana and Hong Kong. The UK Health Security Agency said that no cases of the variant had been detected in Britain and they were in contact with SA colleagues over their data.
Support our award-winning journalism. The Premium package (digital only) is R30 for the first month and thereafter you pay R129 p/m now ad-free for all subscribers.
SA back on UK’s travel red list over new Covid-19 variant
The Covid-19 variant poses ‘a potentially significant threat to the vaccine programme’, say British officials
The UK will place SA temporarily back under red list travel restrictions after scientists raised the alarm over the new Covid-19 variant.
The newly identified coronavirus variant that has spread in SA is the most concerning that British health officials have yet seen as it has double the number of mutations of the Delta variant, including some associated with evading immune response.
Britain announced it was temporarily banning flights from SA and five other countries from midday on Friday and returning British travellers from those destinations would have to quarantine.
The UK Health Security Agency said that the variant — called B.1.1.529 — has a spike protein that was dramatically different to the one in the original coronavirus that Covid-19 vaccines are based on. It has mutations that are likely to evade the immune response generated both by prior infection and vaccination, and also mutations associated with increased infectivity.
Lab studies are needed to assess the likelihood of the mutations resulting in greatly reduced vaccine efficacy, scientists said. Officials have advised the government on the need to act swiftly and pre-emptively in case the concerns over the impact of variant are borne out, even though it could take weeks to generate all the information needed about its characteristics.
Earlier on Thursday, South African scientists said they had detected the new Covid-19 variant in small numbers and were working to understand its potential implications. The variant has a "very unusual constellation" of mutations, which are concerning because they could help it evade the body's immune response and make it more transmissible, the scientists told reporters at a news conference.
The variant has also been found in Botswana and Hong Kong. The UK Health Security Agency said that no cases of the variant had been detected in Britain and they were in contact with SA colleagues over their data.
Reuters
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