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alone, although a very reliable method for all age groups [2], has decreased cancer
incidences in developed countries, but globally, licensing proper vaccines would
be of great importance, especially since the morbidity of cervical cancer is high
in developing countries [3]. However, even when a proper vaccine is introduced, it
will take time for the decrease in the incidences (and fatality) of cervical cancer
to become visible, due to the slow progression of such cancers; this also confirms
that screening should be organized along with the vaccination [2].
Given that the infection is transmittable via sexual contact, vaccinating a
certain amount of females alone would be a better strategy than vaccinating the
same amount of both sexes, and there have already been studies that confirmed
this assumption [3]. Another reason to decide for women particularly is that
the possible consequences of infection are much more severe in females (cervical
cancer).
Tabl e 1. Proportions of activity groups [4]
Age (years) Highest activity Moderately high activity Moderate activity Lowest activity
15
19
0
.
015
0
.
03
0
.
135
0
.
82
20
24
0
.
015
0
.
025
0
.
34
0
.
62
25
34
0
.
01
0
.
02
0
.
21
0
.
76
35
64
0
.
005
0
.
01
0
.
09
0
.
895
Tabl e 2. Mean rates of sexual partner change (new partners per year) for activity
groups [4]
Age (years) Highest activity Moderately high activity Moderate activity Lowest activity
15
19
15
3
.
50
1
.
34
0
.
48
20
24
17
.
5
0
.
96
0
.
38
0
.
14
25
34
15
0
.
67
0
.
21
0
.
08
35
64
7
.
5
0
.
45
0
.
08
0
.
04
Investigation of Sexuality. Investigation of sexuality is not an easy task, es-
pecially in Poland (this middle-income country is classified by WHO in the field
of sexually transmitted diseases at the level of countries of the third world [8]).
There are no recorded data, perfect research methods or fully verifiable results
anywhere in the world and more so in Poland. In this study we decide to use
results of a Finish survey (Table 1) and adjust them to the Polish reality. Ad-
justsing was done by fitting real cancer cases (Figure 2) and scaling parameter
was around 0 . 35 in 90th. This means, that values from Finish suveys must be
divided by around 3. None of the surveys from other coutries have as high re-
spondent rate as in Finland. Moreover, all other surveys show bias. For example
in south- and east-european studies males report much more sexual partners
than females.
 
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