A Pitkin County Vaccination Clinic was in full swing in the Aspen High School gymnasium to administer the second dose of the Pfizer vaccine in Aspen on Thursday, May 13, 2021. (Kelsey Brunner/The Aspen Times) Local public health officials do not think that large numbers of visitors to Aspen and Pitkin County this summer will result in sky-high numbers of COVID-19 cases like it did over the winter. While large numbers of visitors yielded increased local case counts in December and January, public health did not see a corresponding rise in cases when large spring break crowds descended in late February and March, said Josh Vance, Pitkin County epidemiologist.