As per National Family Health Survey (NFHS), the prevalence in children under 3 years of age of Acute Respiratory Infection (ARI) which includes pneumonia and bronchitis was 19.3% in NFHS 2(1998-99), 5.8% in NFHS 3(2005-06) and was 2.7% in NFHS 4 (2015-16) in children under 5 years of age.
The State/UT-wise data of the prevalence of ARI as per NFHS-2,3 &4 is at as under: