[A study of the cyclic development of poliomylitic virus in pond foul water during a two-year span].
A study on polio virus in pond foul water of town and counties in Lian Yun Gang city which had a reported case of polio. Foul water was examined by 1% NaCl-AlCl3 precipitated method quarterly during 1993-1995, to observe the cyclic development of the virus. Results showed that the isolation rate of polio virus was 57.95% with 21 strains of 18 PV I, 1 PV II and 2 PV III and 30 strains of NPEV (31.09%). In view of PV I as main epidemic strain in our country, and related strains to sabin was confirmed using RT-PCR. The above data suggested that polio virus in the pond water had been replaced by relative strains of sabin.
Xu
L Y
LY
Public Health and Preventative Station of Jiangsu Province, Nanjing.
Zhao
W B
WB
Diao
L D
LD
D002681:China; D017955:Poliovirus / Q000302:isolation & purification*; D016133:Polymerase Chain Reaction; D014871:Water Microbiology