NTHi, nontypeable Haemophilus influenzae; PD, protein D. p<0.05 was considered statistically significant. aThe total number of AOM episodes was not recorded for 1 otitis-prone child but they fitted th
BackgroundDespite impressive advances in our understanding of the biology of novel influenza A(H1N1) virus, little is as yet known about its transmission efficiency in close contact places such as hou
