Sunday Times – 20 December 2020 – 00:57 By Paul Ash, Naledi Shange, Tanya Farber and Nonkululeko Njilo Concern over new variant of Covid-19 as professional […]
NEWS24 – Ntwaagae Seleka – 10 December 2020 Protective facial masks used by many medical practitioners are not safe. A study conducted on 12 brands of […]