What is strain ne demek?

"Strain" is a term used to describe the variation or subtype of a particular species of microorganism (e.g. bacteria, virus, fungus). Strains can differ in various characteristics such as antigenicity, virulence, antibiotic resistance, and growth rate. For example, the influenza virus has various strains (e.g. H1N1, H3N2) that cause different types of seasonal flu. In microbiology and genetics, the term "strain" can also refer to a genetically distinct group of individuals within a population that share common traits or mutations.