The variant has led to a new ban on travel from South America but more mutations are likely as the pandemic continues.
South Africa is suffering a sharp spike in cases, driven by a new variant that may reduce the effectiveness of vaccines.
With a COVID-19 vaccine coming onto the market, the need to revise South Africa’s outdated patent laws has never been greater.
Australia is in the grip of a drug crisis involving prescription medication.
Drug giants could quit the UK unless the NHS gets more funding.