• 2014-2020 – Bachelor of Medicine, University of Sonora, Mexico
    2020-to date – Specialty in internal medicine, National Autonomous University of Mexico/Salvador Zubirán National Institute of Medical Sciences and Nutrition (INCMNSZ).

Academic appointments::

  • Resident doctor of internal medicine at INCMNSZ.
  • Assistant Editor, Rapid Reviews Infectious Diseases, MIT Press & UC Berkeley School of Public Health.

Research interests:

  • HIV epidemiology, mpox, post-covid sequelae.
  • Causal inference in observational studies, emulation of target clinical trials.


  • Consulting for UNAIDS.

Selección de publicaciones

  • Núñez I, Amuchástegui A, Vázquez Salinas A, Díaz S, Caro-Vega Y. Challenges to the HIV Care Continuum during the COVID-19 pandemic: a mixed methods study. AIDS Behav. 2023. In press. doi: 10.1007/s10461-023-04195-w
  • Núñez I, Ceballos-Liceaga SE, de la Torre A, et al. Predictors of laboratory-confirmed mpox in people with mpox-like illness. Clin Microbiol Infect. 2023. In press. doi: 10.1016/j.cmi.2023.07.016
  • Núñez I, Gillard J, Fragoso-Saavedra S, et al. Longitudinal Clinical Phenotyping of Post COVID Condition in Mexican Patients Recovering from Severe COVID-19: A Prospective Cohort Study. Front Med. 2023;10:1236702. doi: 10.3389/fmed.2023.1236702
  • Núñez I, Soto-Mota A. Uneven resources threaten causal consistency in randomized trials. 2023;34(4):531-534. doi: 10.1097/EDE.0000000000001616
  • Núñez I, Sierra-Madero J, Galindo-Fraga A, et al. Burden and severity of mpox in Mexico 6 months into the outbreak. Clin Microbiol Infect. 2023;29(6):800-802. doi: 10.1016/j.cmi.2023.02.018
  • Núñez I, García-Grimshaw M, Ceballos-Liceaga SE, et al. Clinical Characteristics of Patients with Human Monkeypox Infection in Mexico: A Nationwide Observational Study. Lancet Reg Health Am. 2023;17:100392. doi: 10.1016/j.lana.2022.100392
  • Núñez I, Soto-Mota A. Impact of healthcare strain on access to mechanical ventilation and mortality of hospitalized COVID-19 patients: a retrospective cohort study. Trans R Soc Trop Med Hyg. 2023;17(5):383-390. doi: 10.1093/trstmh/trac123
  • Fragoso-Saavedra S, Núñez I, Audelo-Cruz BM, et al. Pyridostigmine reduces mortality of patients with severe SARS-CoV-2 infection: a phase 2/3 randomized controlled trial. Mol Med. 2022;28:131. doi: 10.1186/s10020-022-00553-x
  • Núñez I, García-Grimshaw M, Castillo Valencia CY, et al. Seizures following COVID-19 vaccination in Mexico: a nationwide observational study. Epilepsia. 2022; 63(10):e144-e149. doi: 10.1111/epi.17390
  • Núñez I, Crabtree-Ramirez B, Shepherd BE, et al. Late-onset opportunistic infections while receiving anti-retroviral therapy in Latin America: burden and risk factors. Int J Inf Dis. 2022;122:469-475. doi: 10.1016/j.ijid.2022.06.041