Background
Methods
Study area
Study population
Sample analysis
Statistical analysis
Results
Parasites in the foodstuffs
Samples | n | Frequency of intestinal parasites (%) | Score of parasite density |
---|---|---|---|
Kales | 21 | 11(52.4) | 2.43 |
Cabbage | 21 | 12(57.1) | 1.86 |
Spider flower | 21 | 17(8 1) | 2.57 |
Black night shade | 21 | 15(71.4) | 2.62 |
Overall | 84 | 55(65.5) | 2.37 |
Risk factor | No of samples | Frequency of intestinal parasites (%) | Score of parasite density |
---|---|---|---|
Storage Method | |||
Refrigerator | 80 | 31 (7.0) | 1.40 |
Open surface | 200 | 165 (37.5) | 1.87 |
Wire mesh | 160 | 138 (31.4) | 1.63 |
Cashier | |||
Absent | 300 | 263 (59.8) | 1.85 |
Present | 140 | 71(16.1) | 1.64 |
Protective clothing | |||
Present | 200 | 134(30.5) | 1.50 |
Absent | 240 | 200(45.5) | 1.61 |
Houseflies | |||
Present | 300 | 263(59.8) | 1.83 |
Absent | 140 | 71(16.1) | 1.64 |
Parasitological profiles of food handlers
Parasite class/species | Number of infected cases (n) | Infection rates (%) | % Of those examined. N = 168 | Score of parasite density |
---|---|---|---|---|
Single Infections | ||||
Protozoa | ||||
Entamoeba histolytica
| 20 | 74.1 | 11.9 | 2.50 |
Giardia lamblia
| 6 | 22.2 | 3.6 | 1.67 |
Balantidium coli
| 1 | 3.70 | 0.6 | 2.00 |
Sub Total protozoa | 27 | 100 | 16.1 | |
Helminthes | ||||
Ascaris lumbricoides
| 22 | 59.5 | 13.1 | 2.55 |
Hookworms | 13 | 35.1 | 7.7 | 2.38 |
Trichuris trichura
| 2 | 5.4 | 1.2 | 1.50 |
Sub Total Helminthes | 37 | 100 | 22.0 | |
Multiple infections | ||||
E. histolytica+ A. lumbricoides
| 3 | 60.0 | 1.8 | 2.63 |
E. histolytica+G. lamblia
| 2 | 40.0 | 1.2 | 2.56 |
Sub -total mixed infections | 5 | 100 | 3.0 | |
Overall total of individuals | 69 | 41.1 |