Sea lions killed by bird flu in Chile, April 2023.
Patricio Banda/EPA-EFE
Bird flu is decimating species already threatened by climate change and habitat loss.
Security precautions, thoughtful facilities design, careful training and safe lab practices help keep pathogens isolated.
Boston University Photography
The microbiologist who directs the National Emerging Infectious Diseases Laboratories at Boston University explains all the biosafety precautions in place that help him feel safer in the lab than out.
Fusion Medical Animation/Unsplash
The outbreak continues to spread in new geographies and in numbers.
Revellers at a carnival in Sao Paulo wear mosquito masks in a reference to the Aedes aegypti mosquito, which can spread dengue and Zika on February 4, 2016.
Paulo Whitaker/Reuters
Emerging research suggests that preexisting immunity to dengue virus, which is endemic in South America, could make a subsequent Zika infection worse.
A researcher looking at E.coli bacteria strain at the Institute of Food Safety, Animal Health and Environment in Latvia.
Ints Kalnins/Reuters
What is the difference between these pathogens, and how dangerous are they?
A man undergoes “xenodiagnosis” for Chagas disease in the Argentine province of Corrientes. In this procedure, uninfected triatomine bugs feed on the blood of patients. Later examination of these insects may reveal parasites acquired from infected blood.
German Pomar/Reuters
This parasitic infection is endemic in Central and South America, and can lead to serious health complications. Though rare in the US, incidence is starting to increase.