• Health

    How Long Does the Smallpox Vaccine Last?

    Introduction to Smallpox Vaccine and its History Smallpox is a highly contagious and often fatal viral disease that has been known to humanity for thousands of years. The disease is caused by the variola virus, which is transmitted through respiratory droplets or contact with infected objects. Smallpox has been responsible for numerous epidemics and pandemics throughout history, causing millions of…

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