Flu Vaccine Effectiveness Good This Season, CDC Says Flu Vaccine Effectiveness Good This Season, CDC Says

Preliminary estimates show influenza vaccine effectiveness for 2019-2020 was 55% in children and 45% overall, according to the Centers for Disease Control and Prevention.Medscape Medical News
Source: Medscape Allergy Headlines - Category: Allergy & Immunology Tags: Infectious Diseases News Source Type: news