296 results for Vaccines

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How do vaccines work? - World Health Organization (WHO)

Feb 25, 2025 · This article is part of a series of explainers on vaccine development and distribution. Learn more about vaccines – from how they work and how they’re made to ensuring safety and …

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Preteens and Teens Ages 7 Through 18 - HHS.gov

Apr 29, 2021 · Which vaccines are recommended for preteens and teens ages 7 through 18? In addition to catching up on or getting additional doses of childhood vaccines, preteens and teens also need …

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Preteens and Teens Ages 7 Through 18 - HHS.gov

Apr 29, 2021 · Which vaccines are recommended for preteens and teens ages 7 through 18? In addition to catching up on or getting additional doses of childhood vaccines, preteens and teens also need …

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Preteens and Teens Ages 7 Through 18 - HHS.gov

Apr 29, 2021 · Which vaccines are recommended for preteens and teens ages 7 through 18? In addition to catching up on or getting additional doses of childhood vaccines, preteens and teens also need …

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Preteens and Teens Ages 7 Through 18 - HHS.gov

Apr 29, 2021 · Which vaccines are recommended for preteens and teens ages 7 through 18? In addition to catching up on or getting additional doses of childhood vaccines, preteens and teens also need …

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Preteens and Teens Ages 7 Through 18 - HHS.gov

Apr 29, 2021 · Which vaccines are recommended for preteens and teens ages 7 through 18? In addition to catching up on or getting additional doses of childhood vaccines, preteens and teens also need …

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Preteens and Teens Ages 7 Through 18 - HHS.gov

Apr 29, 2021 · Which vaccines are recommended for preteens and teens ages 7 through 18? In addition to catching up on or getting additional doses of childhood vaccines, preteens and teens also need …

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Vaccines and immunization: Vaccine safety

Jul 15, 2025 · Vaccination is one of the most effective ways to prevent diseases. Over the past 50 years, essential vaccines against just 14 diseases have saved at least 154 million lives (1). During the same …

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Vaccines WPRO - World Health Organization (WHO)

Sep 30, 2022 · Vaccines are available to prevent more than 20 life-threatening diseases, helping people live longer, healthier lives. They reduce risks of getting a disease by working with your body’s natural …

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Immunization, Vaccines and Biologicals

The Immunization, Vaccines and Biologicals department is responsible for targeting vaccine-preventable diseases, guiding immunization research and establishing immunization policy.

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Immunization, Vaccines and Biologicals - World Health Organization …

This page is a source of information about vaccines and the diseases they prevent. All content is backed by scientific evidence and reliable research, and primarily designed for the general public and health …

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Vaccines and immunization: What is vaccination?

Oct 22, 2025 · Vaccines protect us throughout life and at different ages, from birth to childhood, as teenagers and into old age. In most countries you will be given a vaccination card that tells you what …

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Different types of COVID-19 vaccines: How they work

Dec 23, 2025 · Protein subunit vaccine Subunit vaccines include only the parts of a virus that best stimulate your immune system. This type of COVID-19 vaccine contains harmless S proteins. Once …

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Preteens and Teens Ages 7 Through 18 - HHS.gov

Apr 29, 2021 · Which vaccines are recommended for preteens and teens ages 7 through 18? In addition to catching up on or getting additional doses of childhood vaccines, preteens and teens also need …

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Are RSV Vaccines Safe for People Over 60? - Health

Jan 25, 2026 · Common side effects include swelling at the injection site, fever, and headache. Experts recommend the vaccines for older adults and those at risk of complications.

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Preteens and Teens Ages 7 Through 18 - HHS.gov

Apr 29, 2021 · Which vaccines are recommended for preteens and teens ages 7 through 18? In addition to catching up on or getting additional doses of childhood vaccines, preteens and teens also need …

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Recommended composition of influenza virus vaccines for use in the …

Feb 27, 2026 · Frequently Asked Questions - Recommended composition of influenza virus vaccines Antigenic and genetic characteristics of zoonotic influenza A viruses and development of candidate …

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Vaccines WPRO - World Health Organization (WHO)

Sep 30, 2022 · Vaccines are available to prevent more than 20 life-threatening diseases, helping people live longer, healthier lives. They reduce risks of getting a disease by working with your body’s natural …