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Researchers say Zika might have been brought to the Americas from French Polynesia during a soccer tournament.
Only 7 states and Puerto Rico are still experiencing high levels of influenza-like illness.
The number of bloodstream infections caused by Elizabethkingia anophelis in Wisconsin rose by 5 this week, to 59, bringing the number of US cases to 60.
In a Mar 23 update, the Wisconsin Department of Health Services (WDHS) reported 52 confirmed, 4 possible, and 3 "under investigation" cases. Last week's Elizabethkingia total in the state was 54 cases.
PAHO employs the Muppets, and Argentina, New Zealand report possible sexual spread.
Key blood markers may be able to predict for whom latent TB will turn into an active infection.
The Centers for Disease Control and Prevention (CDC) today reported that 9 more people have been sickened with Salmonella Virchow associated with recalled RAW Meal Organic Shake and Meal powders, bringing the outbreak total to 27 cases.
Of 29 recent H7N9 cases, 6 were part of 3 small clusters, but with no sign of sustained spread.
The infected Americans are health workers, ages 33 and 47, the latter of whom died.
Initial tests suggest the 5 new cases, including 4 deaths, are part of a known chain.
Also, the WHO details 4 cases, 2 in Buraydah and 1 involving drinking of raw camel milk.
Flu levels in Europe and North America continued to rise, with high but stable activity noted in northern Asia and China, the World Health Organization (WHO) said in a Mar 21 update.
The 2009 H1N1 virus is the predominant strain worldwide, though detections of influenza B have increased in Europe and northern Asia.
In Zika virus developments today, Brazil's health ministry reported 273 more suspected microcephaly cases and the World Health Organization (WHO) released interim guidance on lab testing for Zika infection.
WHO head calls for a focus on building healthcare capacity, asks for more funds.
A fifth person has died from Ebola virus infection in southeast Guinea in recent days—raising fears of geographic spread—as the country monitors more than 800 possible contacts and Liberia closed its border with Guinea, Reuters reported in separate stories.
A MERS-CoV cluster in Buraydah, Saudi Arabia, has grown by 2 cases, 1 of which was fatal, to 28 since Mar 3, the Saudi Ministry of Health (MOH) reported today. The agency also noted that a previously reported patient in Buraydah died from his infection.
A meta-analysis of 50 studies finds vaccine refusal common in measles, pertussis outbreaks.
Saudi Arabia reports 5 new MERS cases, 3 of them in Buraydah, and the WHO notes 6 cases.
Flu showed widespread circulation in 40 states, and another 8 kids died from the virus.
Experts said only 2 of the new methods—Wolbachia and transgenic mosquitoes—were at the stage for carefully designed pilot projects.
Another fatal Ebola case has been reported in Guinea's recent Ebola cluster, involving a young girl who was hospitalized at an Ebola treatment center, Reuters reported on Mar 19, citing a spokesman for the country's Ebola coordination center.
