Although the ongoing vaccination campaign shows promise in turning the tide against the coronavirus, gaps in access and acceptance persist, posing a particular threat to underserved populations and developing nations.

I have worked on the front lines during both of SA’s Covid-19 waves, and seen first-hand that the drug ivermectin is effective in preventing and treating the disease, with great potential as a supplement when vaccine administration lags. SA has recently cleared the way for that approach. Other nations and institutions should follow suit...