"Mosquitos, ticks, worms can carry and transmit bacteria, viruses and other pathogens to us that cause dengue fever, Lyme disease and other vector-borne infections.

'Mind-Blowing' Bacteria Reveal Inner Workings of Some Infectious Diseases

"Mosquitos, ticks, worms — these all are 'middle men' when it comes to disease spread. They can carry and transmit bacteria, viruses and other pathogens to us that cause dengue fever, Lyme disease and other vector-borne infections. As one approach to help reduce and even eliminate these diseases in people, researchers funded by the National Institutes of Health are studying the basic mechanisms that let the infection-causing organisms flourish inside their hosts.


"http://www.livescience.com/28204-mind-blowing-bacteria-reveal-inner-workings-of-some-infectious-diseases.html