He said there should not be any concern that the new variants of the coronavirus could resist the vaccine.
There should also not be concern about what goes into the vaccine during the manufacturing process, Mphahlele said.
He cautioned, though, that even if there was a safe vaccine, Covid safety protocols should still be observed.
“The vaccine will not be the solution to everything. We have to maintain non-pharmaceutical interventions to minimise the spread of the virus,” he said.