Immunization week 2021: Vaccines bring us closer to protecting everyone against preventable Channel: World Health Organization (WHO)1K views • 05/05/2021Related Videos【World Immunization Week 2021 · Vaccines bring us closer 🙌 】Immunization week 2021: Vaccines bring us closer to a healthier futureVaccines bring us closer | World Immunization Week, 24-30 April 2021Live Q&A on World Immunization Week. Ask your question about how vaccines work!
