Dr. Tessa R. Barclay

Lee Harrison is an Infectious Disease provider in Pittsburgh, Pennsylvania. Dr. Harrison is highly rated in 10 conditions, according to our data. His top areas of expertise are Strep Throat, Methicillin-Resistant Staphylococcus Aureus (MRSA), Sepsis, and Bacterial Meningitis.

John Mellors, MD, specializes in infectious diseases and is board-certified in infectious disease and internal medicine by the American Board of Internal Medicine. He is affiliated with UPMC Presbyterian. Dr. Mellors received his medical degree from Dartmouth College Geisel School of Medicine and completed his residency and fellowship at Yale New Haven Hospital. Dr. Mellors is highly rated in 4 conditions, according to our data. His top areas of expertise are HIV/AIDS, Sepsis, COVID-19, and Severe Acute Respiratory Syndrome (SARS).

Anita McElroy, MD, PhD, is a pediatric infectious disease physician at UPMC Children's Hospital of Pittsburgh. She is also an assistant professor of Pediatrics at the University of Pittsburgh School of Medicine. She is board-certified in pediatrics and pediatric infectious diseases by the American Board of Pediatrics. Dr. McElroy earned her medical degree from the George Washington University School of Medicine and Health Sciences and her doctorate from the University of California. She completed a postdoctoral fellowship in emerging viruses at the U.S. Army Medical Research Institute of Infectious Diseases and a residency and fellowship in Pediatrics and Pediatric Infectious Disease respectively, at Emory University. Dr. McElroy’s lab focuses on the study of emerging viruses, specifically, the mechanisms by which hemorrhagic fever viruses cause disease. She is a member of the American Society for Microbiology, the American Academy of Pediatrics, the Pediatric Infectious Disease Society, the Infectious Disease Society of America, and the American Society of Virology. In her free time, she enjoys gardening and hiking with her husband and her chiweenie. View the full list of Dr. McElroy’s publications on PubMed. Dr. Mcelroy is highly rated in 1 condition, according to our data. Her top areas of expertise are Viral Hemorrhagic Fever, Omsk Hemorrhagic Fever, and Kyasanur Forest Disease.