Public Health England
Confirmed cases of COVID-19 variant from South Africa identified in UK
Two cases of a new SARS-CoV-2 variant, which originated in South Africa, have been identified in the UK.
The 2 cases were identified in the UK on 22 December 2020 and both have been in contact with someone who has travelled from South Africa. Public Health England’s Health Protection Teams have followed up with both cases and contact tracing is underway.
The new variant named B1.351 (also referred to as 501Y.V2) was first detected in Nelson Mandela Bay, South Africa, in samples at the beginning of October. Molecular dating suggests that it could have been in circulation from the end of August.
The rapid spread of the variant in South Africa could be an indication of increased transmissibility but this is not yet confirmed. PHE is investigating this variant and will share its findings in due course. There is currently no evidence to suggest that the variant has any impact on disease severity, antibody response or vaccine efficacy. Epidemiological and virological investigations are also ongoing in South Africa.
It is not uncommon for viruses to undergo mutations; seasonal influenza mutates every year. More than 4,000 variants of SARS-CoV-2 have been identified in the UK and variants have been observed in many other countries.
Dr Susan Hopkins, Chief Medical Adviser on COVID-19 to PHE & Test and Trace, said:
We are investigating this new variant of SARS-CoV-2 which originated in South Africa. Viruses often evolve and this is not unusual. We are carrying out work as a priority to understand the potential risk this variant may cause. It is important to say that there is currently no evidence that this variant causes more severe illness, or that the regulated vaccine would not protect against it.
The best way to stop infection is to stick to the rules – wash our hands, wear a face covering and keep our distance from others.
The recommended control measures to limit the spread of the new variant continue to be testing, following the existing public health guidance and abiding by the restrictions, including ‘Hands, Face, Space’ and limiting your number of contacts. The Department for Transport have announced new restrictions for everyone arriving in the country from South Africa.
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