The requirements of the drug hydroxychloroquine have increased by 86% in a month in the United States at the beginning of the pandemic Covid-19, having been promoted in the country by commentators, curators and president Donald Trump as a possible " gift from Heaven ", according to a study published Monday in the journal Jama.

This old drug, used against malaria and autoimmune diseases such as lupus or rheumatoid arthritis, is without a doubt, the most politicized of the pandemic, ardently defended at the beginning of the pandemic by dr. French Didier Raoult and in the United States by supporters of Donald Trump and presenters of Fox News. It was the first authorized in emergency by the us Agency of drugs (FDA), at the end of march, but has since lost this authorization, to the following alert on the side effects on the heart, and after major studies showing that it was not effective against the Covid-19. France has banned the end of may to the sick of the Covid-19.