The detection of poliovirus, and even cases of polio, in places where it hasn’t been found for years has demonstrated once again that eradicating a human disease isn’t easy, especially in the final stages.In recent months, an unvaccinated man in the United States was paralyzed. In the
In March, shortly after Russia launched its invasion of Ukraine, refugees began arriving at a home in Wojciechów, a town about 20 miles from the city of Lublin in eastern Poland.