Figure 1.

(a–e) Clinical features of the five cases with possible COVID‐19 vaccine‐related adverse reactions: (a,b) pityriasis rubra pilaris (two patients, both confirmed histologically) manifesting as widespread distributed erythematous patches and concomitant unaffected ‘islands’, resolving with lamellar desquamation; (c) Sweet syndrome, showing evolutive polymorphism of early annular lesions evolving into large, thickened ulcerated plaques; (d) pityriasis lichenoides et varioliformis acuta, manifesting as scattered, nonfolliculocentric, rapidly evolving papules showing erythematous, raised borders and an eroded centre, covered by a haemorrhagic crust; and (e) erythema multiforme, showing noncoalescing target‐like lesions mainly distributed on the limbs.