Figure 2
From: Response to the challenges of pandemic H1N1 in a small island state: the Barbadian experience
Laboratory confirmed cases of 2009 H1N1 by epidemiological week. 1Epidemiological (EPI) Weeks as used in the Caribbean are simply a numbering of the weeks of the year running from January to December. EPI week 21 ends May 30, 2009; EPI week 42 ends October 24, 2009.