Ziqitza, one of the country’s leading healthcare organisations explains that typically variants of a virus occur, when the virus’ genes changes or undergoes mutation. Ziqitza Healthcare further explains that RNA viruses such as Coronavirus generally evolve and change. Various geographies play a crucial role resulting in genetically distinct variants. As a matter of fact, mutations in viruses is a common phenomenon and all RNA viruses mutate over time, for example, the flu virus mutates more than often which is why physicians recommend getting a flu shot every year.