Acute pancreatitis in immunocompromised patients: beware of varicella zoster virus primo‐infection

Key Clinical Message Varicella zoster virus (VZV) primo-infection can be severe in the elderly and in immunocompromised patients. Atypical presentations are not uncommon and may mislead the diagnosis and delay adequate treatment. Valacyclovir prophylaxis should be systematically proposed in immunocompromised patients.