“Because of research done by the National Institutes of Health, of which he is the director.”
https://en.wikipedia.org/wiki/Francis_Collins
You are posting from a publication that can’t get the most basic of facts correct.
Confirmation bias writ large.
Chloroquine is a potent inhibitor of SARS coronavirus infection and spread
While it is not true that he is the Director of NIH, he has served as the director of the National Institute of Allergy and Infectious Diseases since 1984. which is a subset of the larger agency, NIH.