Another is Zyvox, a totally new type of antibiotic for fighting microbes resistant to other medications.

FORBES: Ready For Battle

Researchers also detected antibiotic-resistant microbes and E.coli in the soda samples.

CNN: Soda fountains contained fecal bacteria, study found

Our overuse of antibiotics has helped foster more numerous and stronger antibiotic-resistant microbes, to the point that we're running out of "last line" drugs to fight even the most resistant bacteria.

CNN: Free-riding microbes: stronger, more powerful, and our fault

The rapid reproduction of bacteria means there is always a chance that a population of microbes will develop which is antibiotic resistant.

BBC: Animals and antibiotics: the risks