• Indian J Pediatr · Nov 2019

    Streptococcus pneumoniae Acquisition and Carriage in Vaccine Naïve Indian Children with HIV and their Parents: A Longitudinal Household Study.

    • Bikas K Arya, Sangeeta Das Bhattacharya, Gautam Harigovind, Ranjan S Das, Tila Khan, Feroze Ganaie, Swapan K Niyogi, K L Ravikumar, Anand Manoharan, Subhasish Bhattacharyya, Samiran Panda, Sutapa Mandal, and Banuja Acharya.
    • School of Medical Science & Technology, Indian Institute of Technology-Kharagpur, IIT Kharagpur Campus, Kharagpur, West Bengal, 721302, India.
    • Indian J Pediatr. 2019 Nov 1; 86 (11): 1002-1010.

    ObjectivesTo investigate the difference in pneumococcal carriage, acquisition, antibiotic resistance profiles and serotype distribution, in human immunodeficiency virus (HIV) affected and unaffected families.MethodsA prospective cohort study was conducted in children with and without HIV in West Bengal from March 2012 through August 2014, prior to 13-valent pneumococcal conjugate vaccine (PCV-13) immunization. One thousand four hundred forty one nasopharyngeal swabs were collected and cultured at five-time points from children and their parents for pneumococcal culture, and serotyping by Quellung method.ResultsOne hundred twenty five HIV infected children and their parents, and 47 HIV uninfected children and their parents participated. Two hundred forty pneumococcal isolates were found. In children under 6 y, the point prevalence of colonization was 31% in children living with HIV (CLH) and 32% in HIV uninfected children (HUC), p = 0.6. The most common vaccine type (VT) serotypes were 6A, 6B and 19A. All isolates from parents and 71% from children in the HIV uninfected cohort were PCV-13 representative, compared to 33% of isolates from CLH and their parents. Acquisition rate in children was 1.77 times that of parents (OR = 1.77, 95%CI: 1.18-2.65). The HIV status of child or parent did not affect acquisition. Isolates from CLH were more frequently resistant to multiple antibiotics (p = 0.02).ConclusionsWhile the rate of pneumococcal carriage and acquisition did not differ between CLH and HUC, HIV affected families had exposure to a wider range of serotypes including non-vaccine type serotypes and antibiotic resistant serotypes, than HIV unaffected families.

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