Vaccinations
Vaccinations, also known as immunizations, are medical interventions that help to protect individuals from certain infectious diseases by stimulating their immune systems to produce an immune response to the disease-causing agent. Vaccines contain small amounts of weakened or inactivated viruses, bacteria, or other pathogens that can cause disease. When a person receives a vaccine, their immune system recognizes the foreign substance in the vaccine and produces an immune response. This immune response helps the body to recognize and fight off the actual disease if the person is exposed to it in the future.
Vaccinations are important because they can prevent the spread of infectious diseases, and can help to protect vulnerable individuals who are unable to receive certain vaccines, such as infants or people with weakened immune systems. By providing immunity to a large percentage of the population through vaccination, herd immunity can be achieved, which can help protect those who are unable to receive vaccines.
By providing evidence-based information about vaccinations, we can help to dispel myths and misconceptions, and encourage people to make informed decisions about their health. This can include information about the safety and effectiveness of vaccines, the recommended vaccine schedule for different age groups, and the potential risks and benefits of vaccination.
centers for disease control and prevention
CDC's Vaccines and Immunizations
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Graphical proof that vaccines work (with sources) displays the incidence of each vaccine-preventable disease in each state before and after the introduction of the vaccine.
centers for disease control and prevention
Understanding Thimerosal, Mercury, and Vaccine Safety
Vaccinate Your Family
Vaccinate Your Family is a national nonprofit organization headquartered in Washington, DC.
Vaccines.gov
It’s normal to have questions about vaccines. Vaccines.gov works with scientists and doctors to answer your questions and provide the information you need to get vaccinated.