Isäntäerityisyyden
Isäntäerityisyyden, a Finnish term, translates to "host specificity" in English. It refers to the phenomenon where a parasite, pathogen, or other organism is adapted to infect or utilize only a specific host or a very narrow range of hosts. This specificity can arise from a variety of factors, including the evolution of reciprocal adaptations between the host and the parasite.
In the biological sciences, host specificity is a crucial concept in understanding disease dynamics, ecological interactions,
The degree of host specificity can vary significantly. Some organisms exhibit absolute host specificity, meaning they