Evidence of West-East spread of influenza in Europe during the 2003–2004 season: the longitude of 23 countries correlated against the peak week of influenza activity per country
<p><b>Copyright information:</b></p><p>Taken from "Influenza activity in Europe during eight seasons (1999–2007): an evaluation of the indicators used to measure activity and an assessment of the timing, length and course of peak activity (spread) across Europe"</p><p>http://www.biomedcentral.com/1471-2334/7/141</p><p>BMC Infectious Diseases 2007;7():141-141.</p><p>Published online 30 Nov 2007</p><p>PMCID:PMC2216029.</p><p></p
