title: Countermeasures and vaccination against terrorism using smallpox: pre-event and post-event smallpox vaccination and its contraindications
abstract: Smallpox, when used as a biological weapon, presents a serious threat to civilian populations. Core components of the public health management of a terrorism attack using smallpox are: vaccination (ring vaccination and mass vaccination), adverse event monitoring, confirmed and suspected smallpox case management, contact management, identifying, tracing, monitoring contacts, and quarantine. Above all, pre-event and post-event vaccination is an indispensable part of the strategies. Since smallpox 
journal: Environmental Health and Preventive Medicine