Environmental exposure and parental collection does not affect detection or semi-quantitative load assessment of bacteria in nasal swab specimens from children. Issue 6 (3rd June 2018) - Townsi, Nada; Simpson, Shannon J.; Sikazwe, Chisha T.; Chidlow, Glenys R.; Hall, Graham L.; Pillow, J. Jane; Wilson, Andrew C.; Smith, David W.; Laing, Ingrid A.