Morale is up and case numbers are down at Johns Hopkins Hospital, but infection prevention expert Dr. Lisa Maragakis says vaccines are in a race against variants and we shouldn't let our guard down. Dr. Maragakis talks with Dr. Josh Sharfstein about "watching evolution in real time" with mutations of SARS-CoV-2, staying the course with infection prevention, and when things could really take a turn for the better if we resist the urge to relax too much, too quickly.
KEYWORDS: viral mutation; herd immunity; pandemic response
