Brazil ranked second in the world for the number of aesthetic procedures in 2019. Five case reports of delayed hypersensitivity reaction to hyaluronic acid dermal filler against COVID-19 vaccines are presented. Additional vaccination for new variants, including omicron, will be necessary, therefore aesthetic professionals should be aware of this possibility and advise patients accordingly.
Hypersensitivity reaction to hyaluronic acid dermal filler after vaccination against COVID-19: A series of cases in São Paulo, Brazil