Minnesota increases equitable COVID-19 vaccine access as a more severe variant emerges in the U.S. Mayo Clinic doctor urges FDA to provide guidance to people who got the Johnson &Johnson vaccine, saying one dose isn't enough protection against "Delta Variant." Author: Jennifer Hoff (KARE 11) Published: 6:24 PM CDT June 9, 2021 Updated: 6:33 PM CDT June 9, 2021 ST PAUL, Minn. — Health officials are warning a COVID-19 variant discovered in India spreads easier and is more severe. Plus, if you got the Johnson & Johnson one dose vaccine, some doctors aren't sure it will be enough protection against the "Delta Variant" and are encouraging more people to get vaccinated, like at the many pop-up clinics around the metro area.