On the frontlines: Mayo Clinic Health System workers share their experiences December 15, 2020 9:52 PM Molly Ringberg Updated: LA CROSSE, Wis. (WKBT) – The rollout of the new COVID-19 vaccine is giving people hope, but the challenges over the last few months still linger. Health care workers have had a year like none other; during a virtual news conference Tuesday five frontline workers from Mayo Clinic Health System shared what they’ve been through. Those who took part included a nurse who has worked in both Arizona and the Midwest; two respiratory therapists – one from Florida and one from La Crosse; a lab worker and an infusion center nurse – both from Rochester.