It's time to reassess strategies for controlling methicillin-resistant Staphylococcus aureus (MRSA) in hospitals, mainly because of poor evidence for the efficacy of screening and isolation, which have been regarded as the gold-standard approach, say three German and Swiss experts writing in The Lancet.
In a study designed to simulate how the pandemic 2009 influenza (pH1N1) virus might have evolved, researchers say it took only nine passages in pigs for a virus to gain "greatly enhanced virulence and transmissibility" in pigs, guinea pigs, and ferrets.
Officials reported more than 62,000 new chikungunya cases in the Caribbean and surrounding areas last week—almost all in the Dominican Republic—expanding the outbreak to 576,000 cases, according to an Aug 8 update from the Pan American Health Organization (PAHO).
A World Health Organization (WHO) emergency committee has extended a public health emergency of international concern (PHEIC) over the global polio situation and the temporary recommendations that came with it, the WHO said in a statement yesterday. The group met by teleconference on Jul 31, its first meeting since it first declared the PHEIC on May 5.
The chikungunya epidemic in the Caribbean is continuing to spill over into the United States, with 300 imported cases identified as of yesterday, an increase of 66 from a week earlier, according to the Centers for Disease Control and Prevention (CDC).
The California Department of Public Health (CDPH) yesterday released a final report on a 2013 Escherichia coli outbreak traced to pre-packaged salads sold at Trader Joe's stores that sickened 33 people in four states, Food Safety News (FSN) reported today.
The European Centre for Disease Prevention and Control (ECDC) said this week that the safety of gain-of-function (GOF) studies like a recent one involving the generation of a 1918-like influenza virus merits more public discussion, given the obligation of researchers to "first do no harm."
Phase 3 clinical trial results for the most advanced dengue vaccine in development, known as CYD-TDV and made by Sanofi Pasteur, showed it is more than 50% protective overall and nearly 90% effective against the most serious, hemorrhagic form of the disease, according to a new study published in The Lancet.
The latest pattern in West Africa's Ebola virus disease (EVD) outbreak suggests a "mixed picture," with Guinea showing a drop-off in infections, but Sierra Leone and Liberia reporting several new cases, the World Health Organization (WHO) said today in its latest update.
As the United States celebrated Independence Day late last week, federal officials announced that Foster Farms has recalled chicken products implicated in a Salmonella outbreak that has now reached 621 cases in 29 states.
