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Thursday, 28 April 2022 20:55

SA records 4,146 new cases as new Omicron sub-variant drives Covid cases.

By Lehlohonolo Lehana.

The National Institute for Communicable Diseases (NICD), reports 4,146 new COVID-19 cases that have been identified in South Africa, which brings the total number of laboratory-confirmed cases to 3,780,444

The majority of new cases today are from Gauteng (53%), followed by Kwa-Zulu Natal (23%). Western Cape accounted for 11%; Free State accounted for 4%; Eastern Cape, Mpumalanga and North West each accounted for 2% respectively; and Limpopo and Northern Cape each accounted for 1% respectively of today’s new cases.

This increase represents a 18.3% positivity rate.

The proportion of positive new cases/total new tested today is (18.3%), and is lower than yesterday (21.1%). The 7-day average is (18.3%) today, and is higher than yesterday (18.0%).

Today, the NDoH reports deaths that occurred in the past 24 – 48 hours. This brings the total fatalities to 100,355 to date.

New omicron sublineages, discovered by South African scientists earlier this month, account for about 70% of new coronavirus cases in South Africa and the strains appear to be more infectious than predecessors.

The BA.4 and BA.5 sublineages appear to be more infectious than the earlier BA.2 lineage, which itself was more infectious than the original omicron variant, Tulio de Oliveira, who runs gene sequencing institutes in the country, said on Twitter.

"Our main scenario for Omicron BA.4 and BA.5 is that it increases infections but that does not translate into large hospitalizations and deaths," he said in a series of Tweets.

South Africa yesterday recorded 6,372 new cases with a positivity rate of 21.1%. That compares with 581 cases and a positivity rate of 4.5% on March 28.The National Institute of Communicable Diseases has said hospitalizations and deaths are rising, albeit slowly.