Furthermore, the studies on chloroquine started at least a month before the US president ever mentioned hydroxycholoroquine in mid March. E.g. this one from ear

Furthermore, the studies on chloroquine started at least a month before the US president ever mentioned hydroxycholoroquine in mid March. E.g. this one from early Feb: https://www.nature.com/articles/s41422-020-0282-0 https://www.nature.com/articles/s41422-020-0282-0 So the research is not only being conducted because of the US president's promotion.