Table 3: Parameters of acute respiratory infection records from San Luis Potosí 2000–2009. Population is approximately 2,000,000.

Year Week of outbreak

2000-20011.578 0.22
2001-20021.29 7 0.18
2002-20031.34 7 0.19
2003-20041.37 8 0.19
2004-20051.59 8 0.23
2005-20061.32 8 0.19
2006-20071.42 8 0.20
2007-20082.5 11 0.36