Virus mutations down to chance, in more ways than one
SARS-CoV-2 mutates in order to maximise its survival chances and when it replicates, tiny errors in its genetic coding are introduced.
Sun Jan 24 2021
What we know about South Africa's coronavirus variant
The WHO advocates a 'risk-based approach' to international travel and countries should 'regularly re-consider' bans and other measures.
Wed Jan 13 2021