http://en.wikipedia.org/wiki/Intracellular_parasite intracellular parasite intracellular intracellular parasites https://en.wikipedia.org... intracellular parasites obligate intracellular pathogen intracellular parasites https://en.wikipedia.org... intracellular parasite intracellular parasite intracellular parasites intracellular English intracellular parasites http://en.wikipedia.org/wiki/Intracellular_parasite intracellular parasites http://en.wikipedia.org/wiki/Intracellular_parasite are known