Researchers found several mutated strains of 武漢病毒 (SARS-CoV-2) since the start of the epidemic. It appeared that the earlier strain in 武漢 infected only Caucasian. The outbreak in 武漢 started after the virus had mutated to infect Asian population. The epidemic spread to Europe before reaching the U.S. and became a global pandemic that raged across the world for months to come. It showed that how nature always finds a way. Even a virus can find a way to maximize its own survivor rate.