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22 de feb. de 2022 · What are vaccines? Vaccines are injections (shots), liquids, pills, or nasal sprays that you take to teach your body's immune system to recognize and defend against harmful germs. For example, there are vaccines to protect against diseases caused by: Viruses, like the ones that cause the flu and COVID-19.
23 de abr. de 2024 · 23 April 2024 | Q&A. What is vaccination? Vaccination is a simple, safe, and effective way of protecting you against harmful diseases, before you come into contact with them. It uses your body’s natural defenses to build resistance to specific infections and makes your immune system stronger.
15 de may. de 2024 · Vaccines reduce risks of getting a disease by working with your body’s natural defences to build protection. When you get a vaccine, your immune system responds. We now have vaccines to prevent more than 20 life-threatening diseases, helping people of all ages live longer, healthier lives.
Read WHO’s Global COVID-19 Vaccination Strategy outlining the steps to achieve effective and equitable distribution of vaccines. See WHO’s landscape of COVID-19 vaccine candidates for the latest information on vaccines in clinical and pre-clinical development.
Vaccines include COVID-19 as well as many childhood vaccines in routine immunization programs. Understanding COVID-19. COMIT: COVID-19 Maternal Immunization Tracker.
Studies show that COVID-19 vaccines are very effective in preventing COVID-19, even for people at high risk for the disease. By the end of November 2021, scientists estimate that mRNA COVID-19 vaccines had prevented at least 1 million deaths, 10 million hospitalizations, and 36 million SARS-CoV-2 infections in the United States.
31 de ago. de 2022 · These vaccines involve four distinct vaccine platforms: inactivated virus vaccines (Sinopharm’s Covilo, Sinovac’s CoronaVac, and Bharat Biotech’s Covaxin), messenger RNA (mRNA) vaccines...
