RIO DE JANEIRO, BRAZIL - Irene Castilho was not even allowed a day to mourn after her husband died of Covid-19. She too was sick, coughing and struggling to breathe; he had barely passed away when she began using the same oxygen mask. That same day, March 22, she was admitted to a São Paulo hospital.
The 71-year-old had followed doctors' instructions to the letter, dutifully taking her hydroxychloroquine doses. She also took ivermectin and a battery of anti-inflammatory drugs and vitamins from the so-called "Covid kit" that her health care company, Prevent Senior, mailed . . .