New Covid variant NB.1.8.1 detected at US Airport: Know its symptoms, consequences
New Covid variant NB.1.8.1 detected at US Airport: Know its symptoms, consequences A new COVID-19 variant called NB.1.8.1 has been found in people who are traveling through big airports in the United States. According to the CDC, this variant can be one reason why COVID cases are rising again in China and some other countries in Asia. This shows that the virus is still changing, and new types can appear anytime.