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Original Article

Herpes Simplex Virus Keratitis Reactivation after SARS-CoV-2 BNT162b2 mRNA Vaccination: A Report of Two Cases

, MD, , MBBS, , MBBS, , MD & , MD
Pages 1238-1240 | Received 06 Aug 2021, Accepted 23 Sep 2021, Published online: 12 Oct 2021
 

ABSTRACT

Purpose

To report two cases of herpes simplex virus keratitis reactivation following Pfizer-BioNTech COVID-19 (BNT162b2) mRNA vaccination.

Methods

Two patients (one male, age 42 years, and one female, age 29 years) who are known to have herpetic keratitis presented to our emergency room in a time frame between 4 days and 4 weeks of receiving the vaccine. One patient presented with necrotizing stromal keratitis; the other presented with endotheliitis and epithelial keratitis. PCR for herpes simplex virus (HSV) was obtained from the two patients, and all cases received systemic acyclovir.

Results

PCR for HSV came positive in both cases. Patients responded well to the provided treatment.

Conclusion

Ocular herpetic infection may be activated by COVID-19 (BNT162b2) mRNA vaccine. Treating physician should be alert to such associations, and patients should be followed closely. No direct causality has been proven, but further reporting and investigating similar conditions is recommended.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

The author(s) reported there is no funding associated with the work featured in this article.

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