Top scientists today claimed the Indian 'Delta' variant is not spreading as quickly as chickenpox, despite US health officials saying it is just as contagious.ĭata circulating within America's Centers for Disease Control and Prevention ( CDC) claimed people infected with the mutant strain can go on to infect eight others. However, the SAGE report also claimed it was equally realistic that Covid will mutate to become less lethal over time. It also said ministers may have to consider culling or vaccinating animals which are found to be harbouring the virus, in order to stop it potentially picking up another mutation and jumping back to humans. Rolling out booster vaccines this winter and curbing transmission may help prevent a mutant strain occurring, according to the paper. No10's expert panel claimed the likelihood of the virus mutating is highest when it is most prevalent - as is currently the case in Britain.Īnd in a downside of Britain's hugely successful vaccination drive, the team warned the country's greater levels of immunity may help speed up the virus's evolutionary process.
A doomsday new Covid variant that could kill up to one in three people is a 'realistic possibility', according to the Government's top scientists.ĭocuments published by the Scientific Advisory Group for Emergencies ( SAGE) today warned a future strain could be as deadly as MERS - which has a case fatality rate of 35 per cent - could be on the way.
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