José A. Rojas-Ramírez, Department of Pharmacology, Faculty of Medicine, Universidad Nacional Autónoma de Mexico (UNAM), Mexico City, Mexico Octavio Amancio-Chassin, Pharmacovigilance Service, Institutional Center for Pharmacovigilance, Hospital General de México “Dr. Eduardo Liceaga.” Mexico City, Mexico


In December 2019, Dr. Li Wenliang, a young ophthalmologist at Wuhan Central Hospital in China, posted on social media the presence of seven patients with pneumonia similar to severe acute respiratory syndrome.



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