Spanish American War (21 abr 1898 ano – 10 dez 1898 ano)
Descrição:
 - first major conflict after accepting germ theory; new role of medicine and public health
- white man’s burden in PR: death rate twice that of US, so col became benevolent public health/ humanitarian mission
- new sanitation modeled after US and asserted control over islands treasury through which did smallpox vaccine (sanitation as emergency measure to stop soldier death) 
Adicionado na linha do tempo:
Data:
21 abr 1898 ano
10 dez 1898 ano
 ~ 7 months