DR BN NAIDOO | Durban In the US, 90% of the population over 16 are known to have antibodies (to the Covid-19 virus), according to the CDC.
This is because the human immune system has evolved by producing anti-bodies against the virus, which does not survive more than three years.
We know this from the Spanish flu of 1918, where the same precautions we use now (washing hands, isolating, masks and social distancing) were used, and without a vaccine, the virus was eradicated by 1920.
However, 50 million had died compared with the five million in our pandemic. The reason is that air conditioners were only invented in the late 1920s. The coronavirus attempts to evolve by mutation (changing its genome). However, every time it mutates, its protein…