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