Medical School
Johns Hopkins University School of Medicine
Baylor College of Medicine
Epidemic Intelligence Service, Centers for Disease Control and Prevention

Areas of Interest

Research Interests

Emerging Infectious Diseases, Global Emergency Medicine, Epidemiology of Emergency Medicine


  1. Chu VT, Freeman-Ponder B, Lindquist S, Spitters C, Kawakami V, Dyal JW, et al. Investigation and Serologic Follow-Up of Contacts of an Early Confirmed Case-Patient with COVID-19, Washington, USA. Emerg Infect Dis. 2020;26(8):1671-1678.
  2. Choi M, Cossaboom C, Dyal J, et al. “Use of Ebola Vaccine in the United States: Recommendations of the Advisory Committee on Immunization Practices —United States, 2020.” MMWR Morb Mortal Wkly Rep. 2021 Jan 8; 70(1): 1–12. DOI: 10.15585/mmwr.rr7001a1
  3. Arons M, Hatfield KM, Dyal J, et al. “Presymptomatic SARS-CoV-2 Infections and Transmission in a Skilled Nursing Facility.” The New England Journal of Medicine. Apr. 24, 2020; 382:2081-90. DOI: 10.1056/NEJMoa2008457
  4. Dyal JW, Grant MP, Broadwater K, et al. “COVID-19 Among Workers in Meat and Poultry Processing Facilities ― 19 States, April 2020.” MMWR Morb Mortal Wkly Rep 2020; 69:557–561. DOI: 10.15585/mmwr.mm6918e3
  5. Burke R, Balter S, Dyal J, et al. “Enhanced contact investigations for nine early travel-related cases of SARS-CoV-2 in the United States.” PLoS ONE 15(9): e0238342. DOI: 10.1371/journal.pone.0238342
  6. Dreyfus A*, Dyal JW*, Mugisha L, Boulware DR, et al. Leptospira Seroprevalence and Risk Factors in Health Centre Patients in Hoima District, Western Uganda. PLoS Neglected Tropical Diseases. 10(8) 2016: e0004858. DOI:10.1371/journal.pntd.0004858