Here are three unknown public health heroes

The water and sanitation engineer was responsible for one of the two most dramatic reductions in infectious diseases in history, i.e. the eradication of water-borne diseases like cholera, typhoid and dysentery. — Photos: Filepic

We will soon enter the third year of the Covid-19 pandemic.

It is possible that the epidemiologist, infectious diseases (ID) physician and public health specialist are now the most famous occupations in the world, and will remain highly-visible for the foreseeable future.