Experts say the move risks national security by leaving the US vulnerable to the next pandemic virus.
Only a small fraction examine whether these devices or systems reduce human infections or identify potential harmful emissions.
The CDC's latest chikungunya travel advisory is for a hot spot in China's Guangdong province.
The rare but potentially severe illness is tied to ingesting the internal parasite via raccoon feces and contaminated soil.
Mexico's Ministry of Health has reported five new cases of the parasitic disease screwworm myiasis, bringing the country's total to 13 cases.
Greater gut microbiota diversity and a predominance of beneficial Bifidobacterium longum appear protective.
Being born to an obese mother could affect a child's immune system and microbiome.
Analysis of freshwater fish from sites where people actively catch and eat fish found that 2 species of trematodes, a type of flatworm, were prevalent.
The woman had amebic meningoencephalitis, a rare, often fatal brain infection caused by the ameba Naegleria fowleri.
They reported seeing bats and coming into contact with bat droppings while crawling through tight spaces during the 2-hour tour.
