Black Vomiting

There was a time when yellow fever was one of the most feared human diseases in the whole western world. Unfortunately, it is still around and we won’t eradicate it anytime soon. Here is why.

As they study their visa requirements, travellers to some of the less developed parts of the world will learn — perhaps with some surprise — that they must be vaccinated against yellow fever. It was one of the few remaining mandatory health protection measures before COVID-19 struck. Although the term “yellow fever” may trigger thoughts about celebrity gossip at first, it is a historically significant and much…