isäntävirus
Isäntävirus is a Finnish term that translates to "host virus" or "parent virus." In molecular biology and virology, it refers to the original or progenitor virus from which other related viruses, often variants or strains, have evolved. This concept is particularly relevant when discussing viral evolution and the emergence of new viral lineages.
When a virus infects a host, its genetic material can undergo mutations. Over time, these accumulated changes
This term is often used in discussions about pandemics, where a novel virus emerges and then diversifies