What is the Arcturus COVID subvariant?

Health experts are starting to monitor another new coronavirus subvariant that's been detected in North Texas. The Arcturus variant comes with some new symptoms such as pink eye. Dr. Joseph Chang, the chief medical officer at Parkland Health, talks about the XBB.1.16 variant that's an Omicron offshoot. He explains how it's different and talks about whether people should worry.