AstraZeneca has said it is standing by its coronavirus vaccine after a US agency raised concerns about trial results that showed the shot to be highly […]
In the year since COVID-19 flipped the world on its head, diagnosis and treatment of another serious lung disease—tuberculosis—has plummeted, leaving experts fearful that progress in […]
Brazil reported more than 3,000 COVID-19 deaths in a single day for the first time Tuesday amid calls for the government and the new health minister […]