Epidemic severity | Years | |||
2009 | 2010 | 2011 | 2012 | |
Low | Fc 12551 | Fc 12551 | Fc 12551 | Fg 12377 |
Medium | Fg 12377 | Fg 46.06 | Fc 12375 | Fg 46.06 |
High | Fc 89.4 | Fc 12375 | Fg 12377 | Fg 13.05 |
Very high | Fg 46.06 | Fg 46.06 | Fg 13.05 | Fc 12375 |