Zoonotic pathogens that infect
domestic animals and wildlife hosts are more likely to emerge (5).
Typically an avian flu virus first infects
pigs, then humans.
Bacteriophages, or phages, infect
bacteria in order to reproduce inside.
Once Nimda infects
a machine, it tries to replicate in three ways.
cows; related diseases attack sheep, humans
Toxoplasma is arguably the most successful animal parasite on earth: It infects
hundreds of species of warm-blooded animals, most notably half of humanity.
Toxoplasma gondii is a parasite that infects
humans primarily through ingestion of infected
raw or undercooked meat and, less frequently, by exposure to infected
Usually picked up in early childhood, it infects
almost all adults.
In West Africa, for example, Lassa virus infects
100,000 to 300,000 people per year, killing more than 5,000 annually.
Windows machines which are already infected
CTFV can be isolated from blood because it is present in circulating erythrocytes for as long as 4 months (28), and it infects
the hematopoietic progenitor cells and remains sheltered in erythrocytes after maturation.
From the earliest days of infection, there are very diverse reactions in the different hosts" that SIV infects
, says Feinberg.