Still Masked, Still Right: A Data-Driven Case for Vigilance
Last Updated May 7, 2025
Fact Sheet Prepared by:
Sean P. Mullen, PhD
Associate Professor, Health and Kinesiology
Director, Exercise, Technology, and Cognition Lab
University of Illinois Urbana-Champaign
This brief was prepared to support patients who continue to take precautions against SARS-CoV-2 and/or report
symptoms that may be downplayed. The evidence summarized below reflects current peer-reviewed science on the
effects of SARS-CoV-2 on the brain, immune system, cardiovascular system, and overall functioning—even after mild or
asymptomatic infection.