Another big worry about omicron. Plus, the common cold could protect against COVID-19.

More and more cases of the omicron variant are being found in the U.S. and the rest of the world. That's leading to a lot more concern and nervousness out there. New information could add to all that. South African scientists are warning omicron may be causing more reinfections than earlier virus mutants.Parts of the U.S. are dealing with a record number of COVID hospitalizations.A new study explains why some people have an easier time with COVID compared to others. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices