Mac Malware History - History of malware that successfully infected Macintosh computers up to 2011.

R. rickettsii have evolved a number of strategical mechanisms or virulence factors that allow them to evade the host immune system and successfully infect the host.

Therefore, pathogens evolved several methods that allow them to successfully infect a host, while evading detection or destruction by the immune system.

It is uncertain whether this documented British attempt successfully infected the natives.

This is likely to be an adaptation to low abundance within hosts, allowing the life cycle to continue when only one individual successfully infects the final host.

They would successfully infect almost every space-faring race!

According to contemporary reports, the virus was rather contagious, successfully infecting the floppies of most people Skrenta knew, and upsetting many of them.

When influenza successfully infects a new species, it can reassort, and may switch from being an avian to a mammalian one.

Or if, should we successfully infect them with courage, we might not be creating trouble for ourselves later.

Doctors have prescription medicines called "emergency prophylactics" which, if taken within a few hours of exposure, can slightly reduce the chance that HIV will successfully infect a person.