<prompt> Most common repoed disease in post disaster period:Acute gastroenteritisPneumoniaLeptospirosisMalnutrition  <response>: - Most Common repoed disease in post disaster phase is Acute Gastroenteritis, Typhoid Cholera. - Most impoant step during Post-disaster phase is, Chlorination of water Vaccination - All vaccines are CI in post-disaster phase; except Measles Extra edge: - Chairman of National Disaster Management Authority NDMA of India is Prime Minister of India 