(CIDRAP News) The world's last naturally acquired case of smallpox occurred almost exactly 25 years ago, the Centers for Disease Control and Prevention (CDC) notes in today's issue of Morbidity and Mortality Weekly Report.
The smallpox case occurred in the Merca District of Somalia on Oct 26, 1977, the CDC says. Less than 3 years later, in May 1980, the World Health Organization declared the world free of naturally occurring smallpox.
(CIDRAP News) This in-depth article investigates the prospects for development of vaccines to head off the threat of an influenza pandemic posed by the H5N1 avian influenza virus. Its seven parts put advances in vaccine technology in perspective by illuminating the formidable barriers to producing an effective and widely usable vaccine in a short time frame.
May 29, 2008 (CIDRAP News) With summer temperatures settling in across the United States, health authorities are conceding that the novel H1N1 flu virus may continue circulating through the summer, rather than quieting down as seasonal flu strains do.
(CIDRAP News) The US Centers for Disease Control and Prevention (CDC) today confirmed two more novel flu infections, one an H3N2 variant that has been identified in 11 other patients this year and one an H1N1 variant that has never been reported in humans before.
(CIDRAP News) – Polio cases in Africa were almost halved in 2011, but the disease shows worrisome trends in some countries, health officials reported today as the continent geared up to vaccinate 111 million children against the disease.