Smallpox vaccinations.

Smallpox vaccinations: the risks and the benefits.

Introduction H ealth officials have long feared the use of biological weapons against the U.S. population, but since the September 11 and anthrax attacks, preparation for the possibility of bioterrorism has gained greater urgency. Smallpox is considered one of the most dangerous potential biological weapons because it is easily transmitted, few people carry full immunity to the virus, and there...

False Positive Serological Reactions for Syphilis in Smallpox Vaccinations

False positive Wassermann reaction (W-R.) and Kahn test after yaccination have been reported by a number of writers. Rein and Elsberg (1945) reviewed the literature on the subject. It was proposed to investigate the incidence of post-vaccinial seropositive reactions amongst men in Ceylon Army Command. Exigencies of service, however, did not permit completion of this survey. The results of the d...

Smallpox Vaccination

This article was presented by the author at the Vaccination Seminar of May 26, 1972, National University Medical School.

Vaccinations of International Travelers

Persisting humoral antiviral immunity within the Japanese population after the discontinuation in 1976 of routine smallpox vaccinations.

Concerns have arisen recently about the possible use of smallpox for a bioterrorism attack. Routine smallpox vaccination was discontinued in Japan in 1976; however, it is uncertain exactly how long vaccination-induced immunity lasts. We sought to evaluate the seroprevalence and intensity of anti-smallpox immunity among representatives of the present Japanese population. The subjects included 87...