Lassa fever is a viral disease:
|
|
|
Yes
|
163
|
93.1
|
No
|
5
|
2.9
|
Incubation period ranges for 1–3 weeks:
|
|
|
Yes
|
100
|
57.1
|
No
|
64
|
36.6
|
Reservoir – rat:
|
|
|
Yes
|
169
|
96.6
|
No
|
3
|
1.7
|
Transmitted by rat biting:
|
|
|
Yes
|
34
|
19.4
|
No
|
131
|
74.9
|
Cases are characterized by fever >38°C:
|
|
|
Yes
|
144
|
85.2
|
No
|
25
|
14.8
|
Retrosternal pain is a common symptom:
|
|
|
Yes
|
66
|
41.5
|
No
|
93
|
58.5
|
Bleeding from mucosal surface is a sign:
|
|
|
Yes
|
142
|
84.5
|
No
|
26
|
15.5
|
Vomiting and shock is rarely observed:
|
|
|
Yes
|
43
|
25.3
|
No
|
127
|
74.7
|
Proteinuria is suggestive:
|
|
|
Yes
|
44
|
27.2
|
No
|
127
|
72.8
|
Fever refractory to treat and mucosal bleeding is a sign:
|
|
|
Yes
|
134
|
79.3
|
No
|
35
|
20.7
|
Absence of profuse mucosal bleeding exclude diagnosis:
|
|
|
Yes
|
5
|
3
|
No
|
161
|
97
|
Pediatrics clients are excluded from diagnosis:
|
|
|
Yes
|
3
|
1.8
|
No
|
164
|
98.2
|
Cases can be confirmed without lab diagnosis:
|
|
|
Yes
|
28
|
17.1
|
No
|
136
|
82.9
|
Aerosol transmission:
|
|
|
Yes
|
57
|
34.8
|
No
|
107
|
65.2
|
Causative organism penetrates unbroken skin:
|
|
|
Yes
|
37
|
22.8
|
No
|
125
|
77.2
|
Cases cease to be infectious after acute phase:
|
|
|
Yes
|
18
|
11.0
|
No
|
146
|
89.0
|
Semen of case is capable of transmitting infection:
|
|
|
Yes
|
71
|
43.0
|
No
|
94
|
57.0
|
Jaundice is a common manifestation:
|
|
|
Yes
|
103
|
62.4
|
No
|
62
|
37.6
|
Bodies of dead cases constitute potential harm:
|
|
|
Yes
|
122
|
73.1
|
No |
45 |
26.9 |