(CIDRAP News) More signals suggest the Southern Hemisphere's flu season is winding down, while activity is low at the start of the Northern Hemisphere's flu season, except in China, which is seeing moderate H3N2 circulation.
(CIDRAP News) The first wave of pandemic H1N1 influenza cases in Mexico hit hardest in the most crowded parts of Mexico City and may have been spurred by an Easter Week event that drew 2 million visitors to one of those areas, according to Mexican researchers.
(CIDRAP News) Federal and state health agencies say frozen mamey fruit pulp is the probable cause of seven confirmed and two suspected cases of typhoid fever (Salmonella Typhi infections) in California and Nevada.
(CIDRAP News) The number of dengue virus infections detected in returning US travelers has risen sharply in recent years, probably reflecting both larger epidemics abroad and increased monitoring at home, the Centers for Disease Control and Prevention (CDC) reported today.
(CIDRAP News) An article published by the British Medical Journal says three scientists who helped frame World Health Organization (WHO) guidance on pandemic influenza preparedness had consulted for pharmaceutical companies that stood to profit from the WHO guidance and that the WHO did not disclose the scientists' industry ties.
(CIDRAP News) A letter and commentary published this week in Emerging Infectious Diseases explore the idea that "original antigenic sin"the hypothesis that the first influenza A virus a person encounters in childhood strongly influences his or her immune responses to all related flu viruses encountered latermay explain the partial protection that older people have against the pandemic H1N1 flu virus.
(CIDRAP News) Signaling a second front in the US fight against dengue infections, the Centers for Disease Control and Prevention (CDC) said evidence of the virus has been found recently in 28 people who live in or visited Key West, Fla., prompting intensive mosquito control efforts and alerts to doctors.