Nájera Ortiz, J. C.; Jimenez Rangel, A.; Cartas-Fuentevilla, G. Covid-19 in Healthcare Personnel With a Complete Pfizer BioNTech Vaccineschedule in Chiapas, Mexico. HS 2025, 23 (3), 690-695. https://doi.org/10.19136/hs.a23n3.5900.