After vaccinations, some COVID-19 long-haulers see improvements Vaccines offer hope of relief for chronic symptoms, but reasons why are unknown and not everyone reports improvements. Written By: Rob Mentzer / Wisconsin Public Radio | 11:30 am, May 3, 2021 × AMI Expeditionary Healthcare’s vaccination clinic at the University of Wisconsin-Superior opened Tuesday, April 13, 2021. (Jed Carlson / jcarlson@superiortelegram.com) Dixie Burbank got COVID-19 in December after she was exposed at her job. What started as a tickle in her throat ended up flattening her. She spent weeks in the hospital, and then on oxygen at home after she was released Dec. 22. After that, she became one of the roughly one-third of patients