Immunization to Protect the US Armed Forces: Heritage, Current.. Cases were attributed to three main causes: failure to vaccinate properly, an inadequate cold chain to keep the vaccine potent, and failure to read and interpret.

Immunization to Protect the US Armed Forces: Heritage, Current.
Immunization to Protect the US Armed Forces: Heritage, Current. from media.npr.org

The United States military immunizes its forces against a variety of infectious diseases of military importance. Military vaccines can be divided into several categories: (1) routinely administered.