lice

Researchers reveal the infectious impact of salmon farms on wild salmon

... science) shows that the transfer of parasitic sea lice from salmon farms to wild salmon populations is mu...olate and measure the impact of a fish farm on sea lice outbreaks in wild salmon. The study combined new field techniques that allowed comprehensive, indivi...

DDT-resistant insects have additional genetic advantage that helps resistance spread

...ness against the mosquito that spreads malaria and lice that carry typhus. DDT-resistant mosquitoes were first detected in India in 1959, and they have increased so rapidly that when a local spray program is begun now, most mosquitoes become resistant in a matter of months rather than years. Worryingly,...

How Rickettsial pathogens break into cells

...sial bacteria are transmitted by fleas, ticks, and lice to humans and other mammals, where they can cause dangerous and sometimes fatal infections. There are two types of Rickettsial pathogens--the spotted fever group, which includes the Rickettsia conorii bacteria studied by Cossart and her colleagues, a...

Salmon farms kill wild fish, study shows

New research confirms that sea lice from fish farms kill wild salmon. Up to 95 per cen...hat migrate past fish farms die as a result of sea lice infestation from the farms. The results of the research have been published in the Proceedings of th...

New bacterium discovered -- related to cause of trench fever

...crobe is genetically similar to one spread by body lice in the trenches during World War I. That bacterium, called Bartonella quintana, caused a disease known as trench fever, and debilitated tens of thousands of soldiers with severe leg and back pain and recurrent fevers. The new species, recently n...