Table 1.

Literature Review of Case Reports Documenting Patients Who Developed AA Following COVID Vaccine or Infection

Study title	Journal	Author	Year	Summary
Alopecia areata after SARS-CoV-2 vaccination⁷	JAAD Case Rep	Scollan et al	2022	Nine patients who developed AA after COVID-19 vaccination
Alopecia areata following COVID-19 vaccination: vaccine-induced autoimmunity?⁹	Int J Dermatol	May Lee et al	2022	One patient who developed AA 7 days after first dose of Pfizer/BioNTech vaccine
Recurrence of alopecia areata after covid-19 vaccination: a report of three cases in Italy¹⁰	J Cosmet Dermatol	Rossi et al	2021	Three patients who developed AA after COVID-19 vaccination
Alopecia areata after COVID-19 vaccination¹¹	Clin Exp Vaccine Res	Gallo et al	2022	One patient who developed AA 3 weeks after second dose of Pfizer/BioNTech vaccine
Alopecia areata after ChAdOx1 nCoV‐19 vaccine (Oxford/AstraZeneca): a potential triggering factor?¹²	J Cosmet Dermatol	Essam et al	2021	One patient who developed AA a few days after the Oxford/AstraZeneca vaccine. One previous AA attack 6 years ago but nil since. No family history of AA. Only involving scalp
New insights into alopecia areata during COVID-19 pandemic: when infection or vaccination could play a role¹³	J Cosmet Dermatol	Bardazzi et al	2022	Three patients developed AA following COVID-19 infection and a further 3 following COVID-19 vaccination
New onset of alopecia areata in a patient with SARS-CoV-2 infection: possible pathogenetic correlations?¹⁴	J Cosmet Dermatol	Rossi et al	2021	One patient developed AA 1 month post COVID-19 infection; good response to treatment
Alopecia areata in a patient with SARS-Cov-2 infection¹⁵	Dermatol Ther	Sgubbi et al	2020	One patient developed AA 1 week post COVID-19 infection; no response to initial treatment
COVID-19: association with rapidly progressive forms of alopecia areata¹⁸	Int J Dermatol	Fivenson	2021	One patient who developed AU following COVID-19 infection; unresponsive to treatment
Alopecia areata in a COVID-19 patient: a case report¹⁹	Dermatol Ther	Capalbo et al	2021	One patient developed AA of beard 1 month post COVID-19 infection; responded to treatment but new lesions appeared after 2 weeks
Rapidly progressive alopecia areata totalis in a COVID-19 patient, unresponsive to tofacitinib²⁰	J Eur Acad Dermatol Venereol	Berbert Ferreira et al	2021	One patient with a history of AT, stable on tofacitinib, developed a sudden anagen effluvium upon discontinuation of the drug when they caught COVID-19. No improvement on reintroduction of tofacitinib
Different hair loss patterns in two pediatric patients with COVID‐19‐associated multisystem inflammatory syndrome in children²¹	Dermatol Ther	Hayran et al	2021	Two pediatric patients, 1 of whom developed AA post COVID-19 infection (with pediatric inflammatory multisystem syndrome). Limited to 1 patch on scalp
The development of dermatologic diseases in patients recovered from COVID-19²³	Dermatol Ther	Temiz and Kutlu	2021	Two patients who developed AA after COVID-19 infection (one 6 weeks after, one 8 weeks after)

AA, alopecia areata.