Coronaviruses, like other RNA viruses, can develop mutations in three different ways: by mistake from copying errors during viral replication, through interactions with other viruses infecting the same cell, or they can be induced by RNA modification systems which are part of host immunity, the researchers explained.
The South African authorities said the detected cases and percentage of people testing positive are both increasing quickly, particularly in particularly in most populated province of Gauteng, North West and Limpopo regions of the country.
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