News & Perspective

(CIDRAP News) – Dr. D. A. Henderson, who led the global smallpox eradication campaign in the 1960s and 1970s, says researchers who recently reported on the duration of immunity conferred by smallpox vaccination were wrong in suggesting that immunity can last for decades or even for life.

(CIDRAP News) – An outbreak of atypical pneumonia that began in southern China last fall was probably severe acute respiratory syndrome (SARS), the mysterious flu-like illness that has spread to 13 countries since late February, the World Health Organization (WHO) announced today.

(CIDRAP News) – If bioterrorists released smallpox virus today, each person who contracted the disease could infect as many as 10 to 12 more before health authorities would recognize the disease and act to contain it, according to experts writing in the Dec 13 issue of Nature.