A new study shows COVID re-infections are more on the rare side but less so if you're older. The California variant of the virus is now becoming the dominant strain here. Should we worry?  Israel is now out with what are basically vaccine passports. They're called Green Passes. They let people go places where others gather like gyms and concerts. We get into the ethical questions that arise with vaccine passports.  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