<prompt> Acalculous cholecystitis can be seen in all the following conditions ExceptEnteric feverDengue haemorrhagic feverLeptospirosisMalaria  <response>: Enteric fever can be presented as cholecystitis, more frequently chronic, and the patient is a typhoid carrier excretes Salmonella typhimurium in the bile.Acalculous cholecystitis is a rare presentation of leptospirosis progressing to Weil;s disease.Acute acalculous cholecystitis can develop secondary to dengue hemorrhagic fever 