Mexico Y031-12 Philippine strain(left) and Y031 strain(right) at 7:15 on September 29th, 2001 |
Mexico Y031-13 Philippine strain(left) and Y031 strain(right) at 10:00 on September 29th, 2001 |
Mexico Y031-14 Philippine strain(left) and Y031 strain(right) at 13:20 on September 29th, 2001 |
Mexico Y031-15 Philippine strain(left) and Y031 strain(right) at 16:00 on September 29th, 2001 |