The reason for the surge in Mongolia, Mr. Batbayar said, is that the country reopened too quickly, and many people believed they were protected after only one dose.“I think you could say Mongolians celebrated too early,” he said. “My advice is the celebrations should start after the full vaccinations, so this is the lesson learned. There was too much confidence.”Some health officials and scientists are less confident.Nikolai Petrovsky, a professor at the College of Medicine and Public Health at Flinders University in Australia, said that with all of the evidence, it would be reasonable to assume the …
