Omicron sub-lineages likely evade vaccines, natural immunity: South African scientist

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JOHANNESBURG - New Omicron sub-lineages, discovered by South African scientists this month, are likely able to evade vaccines and natural immunity from prior infections, the head of gene sequencing u

nits that produced a study on the strains said.

There are"mutations in the lineages that allow the virus to evade immunity", he said in a response to queries."We expect that it can cause re-infections and it can break through some vaccines, because that's the only way something can grow in South Africa where we estimate that more than 90 per cent of the population has a level of immune protection.

"Our main scenario for Omicron BA.4 and BA.5 is that it increases infections but that does not translate into large hospitalisations and deaths," he said.

 

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