Parasitology Statistics Toronto 1999
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC TOTAL
                         
E. histolytica/dispar[1] 13 26 12 9 18 18 36 19 10 9 18 16 204
E. coli 37 49 40 46 71 60 54 32 31 34 54 39 547
E. hartmanni 30 35 31 29 35 39 41 27 21 12 30 17 347
E. polecki                         0
E. nana 74 80 51 64 103 74 90 59 61 66 65 63 850
I. buetschlii 4 15 15 12 13 14 17 7 5 4 11 7 124
G. lamblia 36 37 24 23 34 29 57 46 43 21 27 33 410
D. fragilis 45 74 44 44 65 54 59 44 56 56 58 39 638
B. coli                         0
C. mesnili 2 8 4 6 7 3 8 5 3 2 3 1 52
E. hominis       1 5             3 9
R. intestinalis                         0
T. hominis   1 1   5 1 2           10
T. vaginalis                         0
Unid. Flagellates[2]   2                     2
C. parvum 5         1 2 3 3 3 4   21
C. cayetanensis           1 2   2   2 2 9
Microsporidium[3]                         0
I. belli                         0
S. hominis                         0
                           
P. pubis[4] 1     2       1       1 5
P. humanus[5] 1   1   2 1 1 1   2 2   11
Hardbodied ticks[6]     1 2 5 10 5 2 1   1   27
S. scabei                         0
Arthropods-other[7]                         0
                           
A. lumbricoides   2 1 5 1 2 4 1   1 2 2 21
T. trichiura 5 2 2 1 4 2   2 3 3   2 26
C. sinensis 6   1   1 1   3   1 6 1 20
D. latum     1                   1
E. vermicularis 7 12 12 5 11 18 10   17 15 11 16 134
Fasciola/Fasciolopsis                         0
H. nana 1 1 1   6 1 1 8 1 2 2   24
H. diminuta                         0
Hookworm 6 1     1 1 1 2 1 1 4   18
S. mansoni 2                       2
S. haematobium                         0
S. japonicum                         0
S. stercoralis         1   3 3 1 1     9
Taenia species     2 1 1     1 1 2   1 9
Trichostrongylus species                         0
                           
Blastocystis hominis[8] 152 169 165 165 164 136 167 144 126 106 130 106 1730
                           
Total Specimens[9] 2123 2252 2276 2115 2523 2556 2835 2502 2207 1737 2132 1816 27074
Total Positive Specimens 201 270 198 194 286 251 316 215 216 189 234 193 2763
Percent Positive[10] 9.5 12.0 8.7 9.2 11.3 9.8 11.1 8.6 9.8 10.9 11.0 10.6 10.2
Recovery Rate - Percent[11] 13.0 15.3 10.7 11.8 15.4 12.9 13.9 10.6 11.8 13.5 14.1 13.4 13.0

[1]
Differentiation between E. histolytica and E. dispar not performed at this time.
[2]
Identification criteria based on typical flagellate trophozoite with no cyst form seen.
[3]
Enterocytozoon bieneusi
[4]
Includes  both nits and adults.
[5]
Includes both nits and adults.
[6]
Although Ixodes scapularis and other Lyme disease transmitting ticks are identified I. cookei and
D. variabilis are the most common.  For a complete explanation visit
http://www.practicalscience.com
[7]
Arthropods not listed may include various diptera, larva and fleas.
[8]
B. hominis is not counted in total specimens, total positive specimens or percent positive.
[9]
Including total O/Ps, total pinworm preparations and total arthropod and worm identifications.
[10]
Calculated at least quarterly.  Total number of positive specimens divided by the total number of specimens examined.  A ratio change of greater than 1.5 should be investigated.
[11]
Calculated at least quarterly.  Total parasite species identified divided by the total number of specimens examined.  A ratio change of 1.5 should be investigated.