According to statistics, 9% of hospitalized patients will have nosocomial infections during their hospitalization, and 30% of nosocomial infections can be prevented. Therefore, strengthening the ma...
According to U.S. media reports, on December 22, the Omicron strain had spread to 50 U.S. states and Washington, D.C.
In addition to the United States, in some European countries, the number of new...