New variant likely as third wave looms ahead of vaccination
Why a possible new strain? A virus replicates and reproduces itself, resulting in mutations and new variants.
(FILES) In this file photo taken on June 24, 2020, One of the first South African Oxford vaccine trialists looks on as a medical worker injects him with the clinical trial for a potential vaccine against the COVID-19 coronavirus at the Baragwanath hospital in Soweto, South Africa. (Photo by SIPHIWE SIBEKO / POOL / AFP)