Table 3. Prevalence of neutralizing antibodies to Japanese encephalitis virus among piglets in Wuhan, China, 2009.

Month	No. of samples	No. JEVAb* (+)	% JEVAb (+)
April	30	20	66.67
May	30	25	83.33
June	30	24	80.00
July	30	30	100
August	30	30	100
September	30	21	70.00
October	29	11	37.93
Total	209	161	77.03

^*JEV Ab: Japanese Encephalitis Virus Antibody.