National Influenza Vaccination Week 2025 Theme. National influenza vaccination week (n.i.v.w.) is observed between december 6 and 12 as a gentle reminder for you to stay protected in the upcoming winter months. Flu vaccination is recommended annually or twice per year as the circulating flu viruses are changing and the body’s immunity to the flu virus may decrease over time.
National infant immunization week (niiw) adolescent immunization action week (aiaw) national immunization awareness month (niam) immunization champion award:. Esr’s public health surveillance dashboards are frequently updated with