
Vaccines
Medical Breakthroughs
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Vaccines have been used to safely introduce people's bodies to diseases for centuries, and they save millions of lives each year.
By giving people a weakened or dead version of a disease, a vaccine allows the body to develop antibodies which recognize and fight the disease later on.
Early vaccinations used dry scabs from smallpox to promote smallpox immunity. Doctors and scientists across nations took and improved the method, developing vaccines for health crises from whooping cough to polio to COVID-19. This history features famous cases and current challenges, including the time frame for creating a new vaccine.
©2022 Paige V. Polinsky (P)2022 Graphic Universe ™Lo que los oyentes dicen sobre Vaccines
Calificaciones medias de los clientesReseñas - Selecciona las pestañas a continuación para cambiar el origen de las reseñas.
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Total
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Ejecución
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Historia
- Forrest J.
- 02-03-25
Vaccines for dummies
This is a total waste of time. Please do not waste your money.Please do not waste your time either.
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Total
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Ejecución
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Historia
- Amazon Customer
- 07-08-23
Elementary
Pass. Not for anyone except maybe children or the very uninformed. Disappointed to say the least.
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