Research Article

Changes in the Prevalence of Natural Paramphistomum Cercariae Infection in Indoplanorbis and Lymnaea Intermediate Hosts Influenced by Meteorological Factors

Table 2

Areawise and monthwise prevalence of Paramphistomum spp. cercariae infection in Indoplanorbis and Lymnaea intermediate snail hosts in various districts of Khyber Pakhtunkhwa, Pakistan.

AreasMonth-yearSnail hostsTotal observedInfected with Paramphistomum spp.Rate of infection (%)χ2P
Lymnaea spp.Indoplanorbis spp.

River Kalpani of district MardanOct-18382765046.1
Nov-18301343036.9
Dec-18100515000.0
Jan-19121022000.0
Feb-19151126013.8
Mar-192926550610.9
Apr-194852100088.0
May-19424486089.3
Jun-19684211012110.9
Jul-195432861112.7
Aug-1958501081312.0
Sep-1963601231310.5
Total467372839799.41

Kabul River (Sardaryab) of district CharsaddaOct-18191736719.4
Nov-1822123438.8
Dec-1806051119.0
Jan-1904037000.0
Feb-1904037000.0
Mar-1903025000.0
Apr-19281947024.25
May-19141125028.00
Jun-19232043049.3
Jul-1965521171613.6
Aug-1962581201411.6
Sep-194241831214.48.4670.037
Total2922435356111.40

Adjacent areas of Bara and Kabul rivers in district NowshehraOct-1821194025.0
Nov-18131124312.5
Dec-1810021218.3
Jan-19080109000.0
Feb-190617000.0
Mar-1920121000.0
Apr-19312253003.7
May-19352964034.6
Jun-19383068057.3
Jul-1985811661710.24
Aug-197362135139.6
Sep-195344971111.3
Total393303696578.19

Indus River (Hund) of districtOct-18463985089.4
Nov-183212440613.6
Dec-18200626013.8
Jan-19150520000.00
Feb-19190625000.00
Mar-19230427027.4
Apr-191007170317.6