Table 2 Risk factors assessment for acquisition of community acquired (CA) and hospital acquired (HA)-RSV

Number of pt. with co infections^a

9

4

Risk factors

 Malnutrition (weight-for-age z-score > − 2)

–

–

 Male sex

–

–

 Low birth weight (< 2500 g)

–

–

 Mode of delivery—LSCS

–

2.0 (0.04)

 Outdoor air pollution

3.2 (0.04)

–

 Indoor air pollution

–

–

 Passive smoking

–

–

 Non-exclusive breastfeeding (during the first 4 months of life)

–

–

 Lack of measles immunization (within the first 12 months of life)

–

–

 Crowding

–

–

 Concomitant diseases

  Urinary tract infection

–

3.1 (0.03)

  Infection in central nervous system

–

2.2 (0.04)

  Gastro-enteritis

–

1.8 (0.03)

 Congenital heart diseases

–

2.2 (0.04)

 Asthma

–

–

 Immunodeficiency^b

–

2.3 (0.04)

 Development of seizure in at ward in known epileptics

–

3.2 (0.04)

 Mother’s experience as a caregiver

–

–

 Mother’s education

–

–

 Day-care attendance

–

–

 Relative humidity (%)

–

–

 Rain days/month

–

–

 Trisomy 21

–

1.8 (0.03)

 Birth order > 3

–

–