Diseases, Conditions, Syndromes

A Mayo Clinic guide to tick species and the diseases they carry

Although there are hundreds of species of ticks found throughout the world, fewer than 60 are known to bite and spread disease to humans. Here are some of the more common human-biting ticks in the United States and the parts ...

Medical research

Toxin-antitoxin function fuels antibiotic-resistance research

Toxin-antitoxin (TA) systems are now known to negatively control plasmid replication, according to Thomas Wood, Biotechnology Endowed Chair and professor of chemical engineering in the Penn State College of Engineering.

Health

New CDC director takes over beleaguered agency amid crisis

As the coronavirus swept across the globe last year, the Centers for Disease Control and Prevention sank into the shadows, undermined by some of its own mistakes and stifled by an administration bent on downplaying the nation's ...

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