that CoronaVac can act as an inciting factor that activates the same pathway of EM leading to a type III or IV of hypersensitivity either by the vaccine itself or to its components. 8 Erythema multiforme following vaccination is rare, just as other major adverse events and should not discourage the use of vaccines. Also, the rarity of the disease makes it hard to establish a causal link. But since we are just at the beginning about learning of the novel anti-SARS-CoV-2 vaccines, it is important to be aware about its possible cutaneous adverse reactions.
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