Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home

Volume 12, Number 7—July 2006

Dispatch

Smallpox during Pregnancy and Maternal Outcomes

Hiroshi Nishiura*†Comments to Author 
Author affiliation: *University of Tübingen, Tübingen, Germany; †Hiroshima University, Hiroshima, Japan

Main Article

Table A4

Comparison of the frequency of deaths stratified by vaccination history, according to data from 19th- and early 20th-century outbreaks

Reference Unvaccinated
Vaccinated


Cases Deaths Cases Deaths p value* OR (95% CI)†
Welch (10), 1878 7 7 39 7 <0.01 NC
van der Willigen (3), 1893–1894 2 2 78 10 0.02 NC
Rao (6), 1959–1962 12 9 82 17 <0.01 11.5 (2.8–47.1)

*2-sided.
†OR, odds ratio; CI, confidence interval; NC, not calculable.

Main Article

Top of Page

USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO