SOLUTIONS TO EXERCISES, LESSON 1
1.
e
(para 1-1)
2.
a
(para 1-2)
3.
b
(para 1-3)
4.
d
(para 1-4d)
5.
a, c, d (para 1-5a)
6.
"Iceberg effect" (para 1-5c)
7.
Chemical, infectious (para 1-6a)
8.
a. (4) (para 1-6b(1))
b. (1) (para 1-6b(2))
c.
(3) (para 1-6b(3))
d. (6) (para 1-6b(4))
9.
Case, carrier, animal (para 1-7)
10.
Physical contact (para l-8b)
Droplets (air, dust)
Arthropods
Water (food)
Fomites
11.
Vectors (para 1-3g)
12.
Host (paras 1-3h, 1-9)
13.
Multiple causation (para 1-10)
14.
a.
Vehicle (para 1-11)
b.
Reservoir (source)
c.
All three
d.
Reservoir (source)
e.
Susceptible (host)
f.
Mode of transmission
MD0151
1-17