RT Journal Article SR Electronic(1) A1 Nishiura, H A1 Roberts, M G YR 2010 T1 Estimation of the reproduction number for 2009 pandemic influenza A(H1N1) in the presence of imported cases JF Eurosurveillance VO 15 IS 29 SP 19622 OP DO https://doi.org/10.2807/ese.15.29.19622-en UL https://www.eurosurveillance.org/content/10.2807/ese.15.29.19622-en