CTX-M-65 Extended-Spectrum β-Lactamase–Producing Salmonella enterica Serotype Infantis, United States

Extended-spectrum β-lactamases (ESBLs) confer resistance to clinically important third-generation cephalosporins, which are often used to treat invasive salmonellosis. In the United States, ESBLs are rarely found in Salmonella. However, in 2014, the US Food and Drug Administration found blaCTX-M-65 ESBL-producing Salmonella enterica serotype Infantis in retail chicken meat.

Outbreak of multidrug-resistant tuberculosis in South Africa undetected by WHO-endorsed commercial tests: an observational study

A substantial number of multidrug-resistant tuberculosis cases harboring the Ile491Phe mutation in the rpoB gene in South Africa are missed by current diagnostic strategies.

The Strange and Curious Case of the Deadly Superbug Yeast

Candida auris has developed the ability to survive on cool external skin and cold inorganic surfaces, allowing it to linger on the hands of healthcare workers and on the doorknobs and counters and computer keys of a hospital room. It can travel from its original host to new victims, passing from person to person in outbreaks that last for weeks or months.