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A study published in the Journal of Biological Chemistry is the first to describe a signaling pathway that affects communication -- a process called quorum sensing -- between Streptococcus bacteria cells.

The U.S. Defense Advanced Research Projects Agency (DARPA) has signed a five-year cooperative agreement worth up to $28 million with Vanderbilt University Medical Center (VUMC) to develop methods for preventing the global spread of viruses like chikungunya and Zika.

An astonishing number of viruses are circulating around the Earth's atmosphere -- and falling from it -- according to new research from scientists in Canada, Spain and the U.S.

Influenza vaccination coverage among high-risk groups has dropped in the European Region over the last seven years, and half the countries report a decrease in the number of vaccine doses available.