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Epidemiologist
CDC
Disclosure(s): No financial relationships to disclose
Dr. Felicita Medalla is an epidemiologist with the Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention. Atlanta, Georgia. Her educational background includes a Doctor of Medicine degree and M.S. Epidemiology. Her main research interests include antimicrobial resistance among infections caused by Salmonella and other foodborne/enteric pathogens. She has authored and co-authored peer-reviewed publications on antimicrobial-resistant Salmonella infections, including the following:
•Medalla F, Gu W, Friedman CR, Judd M, Folster J, Griffin PM, Hoekstra RM. Increased incidence of antimicrobial-resistant nontyphoidal Salmonella infections, United States, 2004-2016. Emerg Infect Dis. 2021 Jun;27(6):1662-1672.
•François Watkins LK, Winstead A, Appiah GD, Friedman CR, Medalla F, Hughes MJ, et. al. Update on extensively drug-resistant Salmonella serotype Typhi infections among travelers to or from Pakistan and report of ceftriaxone-resistant Salmonella serotype Typhi infections among travelers to Iraq - United States, 2018-2019. MMWR Morb Mortal Wkly Rep. 2020 May 22;69(20):618-622.
•Chatham-Stephens K, Medalla F, Hughes M, Appiah GD, Aubert RD, Caidi H, et al. Emergence of extensively drug-resistant Salmonella Typhi infections among travelers to or from Pakistan - United States, 2016-2018. MMWR Morb Mortal Wkly Rep. 2019 Jan 11;68(1):11-13.
•Gu W, Medalla F, Hoekstra RM. Bayesian hierarchical model of ceftriaxone resistance proportions among Salmonella serotype Heidelberg infections. Spatial and Spatio-temporal Epidemiology, 2018 Feb;24:19–26.
•Medalla F, Gu W, Mahon BE, Judd M, Folster J, Griffin PM, Hoekstra RM. Estimated incidence of antimicrobial drug-resistant nontyphoidal Salmonella infections, United States, 2004–2012. Emerg Infect Dis. 2017 Jan;23(1):29–37.
•Medalla F, Hoekstra RM, Whichard JM, Barzilay EJ, Chiller TM, Joyce K, et al. Increase in resistance to ceftriaxone and nonsusceptibility to ciprofloxacin and decrease in multidrug resistance among Salmonella strains, United States, 1996-2009. Foodborne Pathog Dis. 2013 Apr;10(4):302–9.
•Crump JA, Medalla FM, Joyce KW, Krueger AL, Hoekstra RM, Whichard JM, et al. Antimicrobial resistance among invasive nontyphoidal Salmonella enterica isolates in the United States: National Antimicrobial Resistance Monitoring System, 1996 to 2007. Antimicrob Agents Chemother. 2011 Mar;55(3):1148-54.