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[Skin reactions to the Pfizer-BioNTech vaccine for COVID-19. An Ecuadorian experience]. / Reacciones cutáneas a la vacuna Pfizer-BioNTech contra COVID-19. Una experiencia ecuatoriana.
Chérrez-Ojeda, Iván; Robles-Velasco, Karla; Osorio, María F; Mejía-Leiva, Daniel; Chérrez, Annia; Chérrez, Sofía; Bernstein, Jonathan A; Sarfraz, Zouina; Félix, Miguel.
  • Chérrez-Ojeda I; Universidad Espíritu Santo, Samborondón, Ecuador. ivancherrez@gmail.com.
  • Robles-Velasco K; Universidad Espíritu Santo, Samborondón, Ecuador.
  • Osorio MF; Universidad Espíritu Santo, Samborondón, Ecuador.
  • Mejía-Leiva D; Respiralab Research Group, Guayaquil, Ecuador.
  • Chérrez A; MVZ Hautarztzentrum Tegel, Berlín, Alemania.
  • Chérrez S; SRH Zentralklinikum Suhl, Department of Dermatology, Suhl, Alemania.
  • Bernstein JA; University of Cincinnati College of Medicine, Department of Internal Medicine, Ohio, Estados Unidos.
  • Sarfraz Z; Fatima Jinnah Medical University, Lahore, Pakistán.
  • Félix M; Universidad Espíritu Santo, Samborondón, Ecuador.
Rev Alerg Mex ; 69(1): 61-64, 2022 Jun 30.
Article in Spanish | MEDLINE | ID: covidwho-1969987
ABSTRACT
OBJETIVE To assess cutaneous reactions after Pfizer-BioNTech COVID-19 vaccine administration.

METHODS:

A cross-sectional observational study was carried out in health workers belonging to the city of Guayaquil-Ecuador, from March to May 2021. The participants were contacted through a local registry established by the Universidad Espíritu Santo. Frequencies and percentages were used to represent the proportions of nominal variables, while the mean and standard deviation were used for continuous data, given a normal sample distribution.

RESULTS:

Local skin reactions were the most frequent, and included redness, edema, and itching. On the other hand, delayed large local skin reactions (generalized rash and pruritus, angioedema, urticaria, eczema, petechiae) were rare and occurred in less than 1.4% of participants, (95% CI = 0.69-1.00). Finally, we did not find cases of anaphylaxis or other life-threatening reactions requiring urgent attention after vaccination.

CONCLUSIONS:

Our findings suggest that local skin reactions occur in a minority of recipients and are often mild and self-limited.
RESUMEN

OBJECTIVO:

Evaluar las reacciones cutáneas tras la administración de la vacuna COVID-19 de Pfizer-BioNTech.

MÉTODOS:

Se realizó un estudio observacional transversal en trabajadores de la salud, pertenecientes a la ciudad de Guayaquil-Ecuador, de marzo a mayo de 2021. Los participantes fueron contactados a través de un registro local establecido por la Universidad Espíritu Santo. Se utilizaron frecuencias y porcentajes para representar las proporciones de las variables nominales, mientras que la media y la desviación estándar se usaron para datos continuos, dada la distribución de muestra normal.

RESULTADOS:

Las reacciones cutáneas locales fueron las más frecuentes e incluyeron enrojecimiento, edema y prurito. Por otro lado, las reacciones cutáneas locales grandes retardadas (exantema y prurito generalizados, angioedema, urticaria, eccema y petequias) fueron raras y ocurrieron en menos de 1.4 % de los participantes, (IC 95 % = 0.69-1.00). Finalmente, no encontramos casos de anafilaxia u otras reacciones potencialmente mortales que requieran atención urgente después de la vacunación.

CONCLUSIONES:

Nuestros hallazgos sugieren que las reacciones cutáneas locales ocurren en una minoría de personas y que a menudo son leves y autolimitadas.
Subject(s)
Keywords

Full text: Available Collection: International databases Database: MEDLINE Main subject: Vaccines / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Topics: Vaccines Limits: Humans Country/Region as subject: South America / Ecuador Language: Spanish Journal: Rev Alerg Mex Journal subject: Allergy and Immunology Year: 2022 Document Type: Article Affiliation country: RAM.V69I1.973

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Vaccines / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Topics: Vaccines Limits: Humans Country/Region as subject: South America / Ecuador Language: Spanish Journal: Rev Alerg Mex Journal subject: Allergy and Immunology Year: 2022 Document Type: Article Affiliation country: RAM.V69I1.973