Parasitology Statistics Ottawa 1999
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC TOTAL
                         
E. histolytica/dispar[1] 6 18 10 15 13 15 4 14 7 3 11 8 124
E. coli 8 5 6 29 27 33 23 31 22 7 31 15 237
E. hartmanni 7 25 17 25 30 26 17 19 11 11 21 11 220
E. polecki           2             2
E. nana 30 36 33 34 38 67 41 43 47 40 43 38 490
I. buetschlii 5 3 3 9 17 7 3 12 4     3 66
G. lamblia 16 18 18 27 15 14 21 33 33 6 10 7 218
D. fragilis 16 30 31 53 41 44 45 34 44 24 26 28 416
B. coli                         0
C. mesnili 5 7 3   7   1 3 2 2 1   31
E. hominis       7 7 1 1 5 1 3 3   28
R. intestinalis       2                 2
T. hominis               2   3     5
T. vaginalis                         0
Unid. Flagellates[2]     3 6                 9
C. parvum           2 4   1       7
C. cayetanensis       3     1   1       5
Microsporidium[3]                         0
I. belli                         0
S. hominis                         0
                           
P. pubis[4]           1 1     1     3
P. humanus[5]       1   1 2   1 1     6
Hardbodied ticks[6]         2 1 5           8
S. scabei                         0
Arthropods-other[7]         2       1       3
                           
A. lumbricoides       1 6     1   1 2 3 14
T. trichiura   1 3 1 4         2 4   15
C. sinensis     1                   1
D. latum                         0
E. vermicularis 1 1 2 1 3 4 5   4 3 6 4 34
Fasciola/Fasciolopsis                         0
H. nana     2 1 1   2           6
H. diminuta                         0
Hookworm   1               1 3 5 10
S. mansoni             3         4 7
S. haematobium   1                     1
S. japonicum                         0
S. stercoralis               2 1     6 9
Taenia species 5 1     1   3 1     1 2 14
Trichostrongylus species                         0
                           
Blastocystis hominis[8] 62 47 48 49 39 65 56 46 44 37 49 29 571
                           
Total Specimens[9] 918 902 992 1089 873 1191 1060 1129 1147 842 1033 809 11985
Total Positive Specimens 85 109 104 168 148 162 150 154 146 95 135 99 1555
Percent Positive[10] 9.3 12.1 10.5 15.4 17.0 13.6 14.2 13.6 12.7 11.3 13.1 12.2 13.0
Recovery Rate - Percent[11] 10.8 16.3 13.3 19.7 24.5 18.3 17.2 17.7 15.7 12.8 15.7 16.6 16.6

[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.