Overnight Health Care: Trump defends hydroxychloroquine use after meeting with GOP senators | Trump administration picks US firm to manufacture COVID-19 drugs now made overseas | Study projects US COVID-19 deaths to triple by end of year

Welcome to Tuesday’s Overnight Health Care.President Trump doubled down on his use of hydroxychloroquine, a new study suggests that the number of Americans who die from COVID-19 will triple by the end of the year, and South Korea is changing its…