Vaccines are products that help the immune system combat invading disease-causing pathogens. They are a safe and effectiveTrusted Source method for preventing certain diseases.

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Vaccines are products that help the immune system combat invading disease-causing pathogens. They are a safe and effectiveTrusted Source method for preventing certain diseases.

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What is a vaccine? Types, stages for approval

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Empower through vaccination knowledge

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What is a vaccine? Types, stages for approval

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