The History of Vaccines explores the role of immunization in the human experience and examines its continuing contributions to public health
Typhoid fever is a bacterial disease caused by Salmonella typhi. While rare in industrialized countries, typhoid fever is a significant threat in some low-income countries.
Cholera is a diarrheal illness caused by an infection with cholera bacteria. Oral vaccines are available to prevent cholera.
When and where did the last known case of wild variola minor smallpox take place?
The last known case occurred in Somalia in 1977. Read more
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