Undergraduate Katelyn Major takes part in an in-person Microbiology 304: Biology of Microorganisms lab session taught by Jon Roll, faculty associate in the Department of Bacteriology, inside the Microbial Sciences Building at the University of Wisconsin-Madison on April 22, 2021. All people physically present were wearing a face mask and practicing physical-distance safety protocols as the coronavirus (COVID-19) global pandemic continues. (Photo by Bryce Richter / UW-Madison)
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