Ellsbury et al reported a score for estimating the risk of pneumococcal infection for a person traveling to a country. The authors are from Griffith University in Queensland, Australia.
Parameters:
(1) number of cases of pneumococcal infection per 100,000 people in the population
(2) pneumococcal vaccine program coverage
(3) duration of pneumococcal vaccine program in years
Parameter
Finding
Points
case rate per 100,000
>= 250
3 (red)
51 to 249
2 (amber)
<= 50
1 (green)
vaccine coverage
no program
3 (black)
<= 50%
3 (red)
51 to 79%
2 (amber)
>= 80%
1 (green)
duration
no program
3 (black)
<= 2 years
3 (red)
2.01 to 4.99 years
2 (amber)
>= 5 years
1 (green)
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 3
• maximum score: 9
• minimum number of any color: 0
• maximum number for red, amber or green: 3
Total Score
Number Red/Black
Overall Risk
>= 8
NA
red
NA
>= 2
red
4 to 7
NA
amber
3
NA
green
If data on 2 items was unknown then the country is listed as unknown.
If data on 1 item is known then the country is scored:
(1) red if both known items are red/black
(2) green if both known items are green
(3) else amber
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