Resultado de búsqueda
Why Vaccinate. On-time vaccination throughout childhood is essential because it helps provide immunity before children are exposed to potentially life-threatening diseases. Vaccines are tested to ensure that they are safe and effective for children to receive at the recommended ages.
Vaccines teach your immune system how to create antibodies that protect you from diseases. It's much safer for your immune system to learn this through vaccination than by catching the diseases and treating them. Once your immune system knows how to fight a disease, it can often give you life long protection.
With the theme #VaccinesWork, the campaign focuses on how vaccines as well as the people who develop, deliver and receive them are vaccine champions by working to protect the health of everyone, everywhere.
8 de dic. de 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. Regardless of whether the vaccine is made up of the antigen itself or the blueprint so that the body will ...
24 de may. de 2023 · Vaccines work by imitating an infection —the presence of a disease-causing organism in the body—to engage the body’s natural defenses. The active ingredient in all vaccines is an antigen, the name for any substance that causes the immune system to begin producing antibodies. In a vaccine, the antigen could be either.
19 de may. de 2021 · Countries around the world are rolling out COVID-19 vaccines, and a key topic of interest is their safety. Vaccine safety is one of WHO’s highest priorities, and we’re working closely with national authorities to develop and implement standards to ensure that COVID-19 vaccines are safe and effective.
17 de oct. de 2023 · Importance of Vaccines: Resources & Information. For more than 50 years, vaccinations have saved more than a billion lives and prevented countless illnesses and disabilities in the United States. Vaccine-preventable diseases, such as measles, COVID-19, influenza, and whooping cough, are still a threat.
