From: The evolution of virulence of West Nile virus in a mosquito vector: implications for arbovirus adaptation and evolution
WNV MP20
WNV WT
total larvae tested1
2772
2410
WNV+ pools
2
5
infection rate/10002
0.72
2.08
WNV + rafts/total (%)
1/51 (1.96)
4/47 (8.51)
adults VT/ ovipositing (%)3
1/39 (2.56)
3/30 (10.0)
WNV+ OV 3–4 rafts/total4
1/1
4/4