An analysis of Dallas County's massive West Nile virus (WNV) outbreak in 2012 found that it was preceded by an unusually mild winter and favored previously known hot spots, researchers reported today in the Journal of the American Medical Association (JAMA).
A working group for a vaccine advisory board recommended against a second dose of Tdap vaccine for teens, citing lack of a booster effect.
Twelve more hepatitis A infections are under investigation in a hepatitis A outbreak linked to a frozen berry blend, raising the number of suspected cases to 118, the US Centers for Disease Control and Prevention (CDC) reported yesterday.
May 20, 2013
Mar 14, 2013
(CIDRAP News) – Health officials have suspected a drop-off in protection from the childhood acellular pertussis vaccine as one factor in surging disease levels, and new data today on Minnesota and Oregon kids provide the strongest evidence yet that immunity wanes before they get a booster dose at age 11 or 12.
(CIDRAP News) – Researchers in other countries have found evidence that circulating strains of Bordetella pertussis have adapted to the acellular vaccine, and researchers today reported similar findings for the first time in US kids, based on genetic analysis of isolates from hospitalized children.
(CIDRAP News) – Coverage rates for vaccines recommended for adults remain stubbornly low, except for modest gains in two, the diphtheria with acellular pertussis vaccine (Tdap) and the human papillomavirus (HPV) vaccine in women, according to new federal estimates today.
Jan 14, 2013
Nov 29, 2012
(CIDRAP News) – The largest study so far exploring gaps in acellular pertussis vaccine protection in kids found that their risk of getting sick increased as time passed after the final dose, according to researchers who examined the role of the vaccine during California's 2010 pertussis epidemic.
Oct 25, 2012
(CIDRAP News) – A federal panel today recommended that all pregnant women receive the tetanus, diphtheria, and pertussis (Tdap) vaccine during each pregnancy and that infants at increased risk receive four doses of a newly approved meningococcal combination vaccine.
Oct 3, 2012
Sep 28, 2012
(CIDRAP News) – A detailed look at California children during the state's large pertussis outbreak in 2010 revealed that protection from the diphtheria, tetanus, and pertussis (DTaP) vaccine wanes 5 years after kids receive their last dose, which could be fueling outbreaks.