Pickering H, Rose G
Tari Research Unit, Papua New Guinea Institute of Medical Research.
Trans R Soc Trop Med Hyg. 1988;82(6):911-3. doi: 10.1016/0035-9203(88)90039-9.
Nasal and hand carriage of Streptococcus pneumoniae was looked at in 55 families. Overall nasal carriage was 61% (83% in children and 33% in mothers). Hand carriage was 14%. Just over half of the mothers who carried pneumococcus were concordant with their infants.