Explaining How Vaccines Work | Vaccines & Immunizations | CDC
Aug 10, 2024 · Key points. Vaccines work by imitating an infection to engage the body’s natural defenses. Vaccines help the body learn how to defend itself from disease without the dangers of a full-blown infection. Everyone should get all recommended vaccines at the recommended times.
How Vaccines Are Made and How They Work
Jul 6, 2023 · How do vaccines work? You encounter thousands of germs every day. While your immune system can fight most of them on its own, vaccines help it fight the disease-causing ones (pathogens) it can’t handle. So, what are vaccines made of? The quick answer? Pathogens.
How do vaccines work? - World Health Organization (WHO)
Dec 8, 2020 · How vaccines help. Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body. Newer vaccines contain the blueprint for producing antigens rather than the antigen itself.
How do vaccines work? - UChicago Medicine
Dec 4, 2020 · Vaccines work by teaching your body to recognize specific dangerous pathogens so your immune system is prepared to fight off that infection in the future. Vaccines introduce small parts of germs that are weakened or dead, collectively called antigens, to our body.
Understanding How COVID-19 Vaccines Work - CDC
May 12, 2023 · How COVID-19 Vaccines Work. COVID-19 vaccines help our bodies develop immunity to the virus that causes COVID-19 without us having to get the illness. Different types of vaccines work in different ways to offer protection.
Vaccine Basics | Vaccines & Immunizations | CDC
To provide immunity. We become immune to (or protected from) a disease when our bodies create specific antibodies to fight that disease. Vaccines contain ingredients that help your body build this immunity. To keep the vaccine safe and long …
Vaccines Protect You - HHS.gov
Apr 4, 2024 · How do vaccines work? Vaccines help your immune system fight infections faster and more effectively. When you get a vaccine, it sparks your immune response, helping your body fight off and remember the germ so it can attack it if the germ ever invades again.