
The Covid-19 J&J and Pfizer vaccines remain effective in protecting against severe sickness and hospitalisation
The post There is limited data on the Delta variant in SA, but vaccines remain effective appeared first on The Mail & Guardian.

The Covid-19 J&J and Pfizer vaccines remain effective in protecting against severe sickness and hospitalisation
The post There is limited data on the Delta variant in SA, but vaccines remain effective appeared first on The Mail & Guardian.