This study will combine two drugs (hydroxychloroquine and Bromhexine) to see if hydroxychloroquine is better in combination with Bromhexine in preventing the development of the disease from COVID-19 in Health Care Workers at a National Institute of Health In Mexico City. Hydroxychloroquine will be used in a low dose (200 mg every 24 hrs). Bromhexine will be 8mg every 8 hrs. The study groups will be the following: 1) HCQ 200mg/d + BHH placebo 2) HCQ placebo plus BHH placebo
This study will investigate the security and efficacy of a daily low dose of hydroxychloroquine and Bromhexine, in preventing the development of the disease from COVID-19 in Health Care Workers at a National Institute of Health In Mexico City.