Hrabstwo Cook przedstawia aktualne informacje na temat strategii szczepień, ponieważ obawy dotyczące wariantu Delta wciąż rosną
...virus.” The delta variant, which was first identified in March, accounts for more than half of the cases in the U.S. I is taking hold here in Illinois I throughout Cook County. This variant, which mutated from the original strain, is highly contagious I causes more severe illness. Unvaccinated individuals continue to be most at-risk for serious illness, hospitalization I...