The WHO raised the global coronavirus risk level from "high" to "very high" on Friday, as cases outside China reach nearly 4,400 across 49 countries.

California recently announced 33 people have tested positive for COVID-19 and at least 8,400 others are being monitored for the virus. 

CGTN talked to some Americans and asked if they are worried about the COVID-19 outbreak and how they are preparing for it.