Mexico, which lost more people to Covid than almost any other country, is seeing a mammoth drop in cases and deaths, the likely result of post-infection immunity, some vaccines, warming weather and proximity to the U.S.
After a deadly winter of saturated ICUs and desperate searches for oxygen tanks, Covid clinics are closing and the positivity rate of tests, which at one point was the highest in the world, is down to 17%. Hospital capacity, 90% in January, is 13%.
