Sampling periods in the study | Bashagard* | Ghale-Ganj** | ||
---|---|---|---|---|
No. of collected samples | Median age | No. of collected samples | Median age | |
August 2009 (after the first peak) | 500 | 20 | 500 | 18 |
October 2009 (within the second peak) | 474 | 20 | 453 | 18 |
March 2010 (after the second peak) | 456 | 19 | 442 | 18 |