by
Erik Oosterwal
Now we move from left to right and compare the action at each date to see
if that action denoted a risky bahavior and whether or not the partner in
that behavior was already a high risk person or not.
10 | Risky behavior, but not with a high risk partner. | Not at risk. |
5 | Risky behavior, but not with a high risk partner. | Not at risk. |
9 | Risky behavior with a known HIV positive partner. | Yes--at risk. |
12 | Risky behavior, but not with a high risk partner. | Not at risk. |
1 | Risky behavior, but not with a high risk partner. | Not at risk. |
6 | Not a risky behavior. | Not at risk. |
7 | Risky behavior with a partner (9) who had previously engaged in high risk behavior with a known HIV case. | Yes--at risk. |
15 | Risky behavior, but not with a high risk partner. | Not at risk. |
13 | Risky behavior with a high risk partner (9) who had previously engaged in high risk behavior with a known HIV positive person. | Yes--at risk. |
17 | Risky behavior with a not at risk partner. | Not at risk. |
20 | Risky behavior with a partner (7) who had previously received blood from a high risk person (9) who had previously engaged in high risk behaviorwith a known HIV positive person. | Yes--at risk. |
18 | Not a risky behavior. | Not at risk. |
19 | Risky behavior with a partner (7) who had previously received blood from a high risk person (9) who had previously engaged in high risk behavior with a known HIV positive person. | Yes--at risk. |
2 | Not a risky behavior. | Not at risk. |
4 | Risky behavior with a partner (13) who had previously shared a needle with a high risk person (9) who had previously engaged in high risk behavior with a known HIV positive person. | Yes--at risk. |
14 | Not a risky behavior (assuming partner (19) is not also bleeding.) | Not at risk. |
16 | Risky behavior with a high risk partner(4) who had previously shared a needle with a high risk person (13) who had previously shared a needle with a high risk person (9) who engaged in high risk behavior with a known HIV positive person. | Yes--at risk. |
3 | Risky behavior with a partner (20) who had previously received blood from a high risk person (7) who had previously received blood from a high risk person (9) who had previously engaged in high risk behavior with a known HIV positive person. | Yes--at risk. |
8 | Risky behavior with a high risk partner (4) who had previously shared a needle with a high risk person (13) who had previously shared a needle with a high risk person (9) who had previously engaged in high risk behavior with a known HIV positive person. | Yes--at risk. |
21 | Risky behavior with a high risk partner (3) who previously received milk from a high risk person (20) who previously received blood from a high risk person (7) who previously received blood from a high risk person (9) who had previously engaged in high risk behavior with a known HIV positive person. | Yes--at risk. |
22 | Not a risky behavior. | Not at risk. |
11 | Risky behavior with a high risk person (4) who previously shared a needle with a high risk person (13) who previously shared a needle with a high risk person (9) who had previously engaged in high risk behavior with a known HIV positive person. | Yes--at risk. |
See all the brain teasers on The Puzzle Page.
Get daily puzzles in your RSS reader at The Puzzle Page Blog Site.
Looking for answers to computer programming problems?
Read what's going on in the Computer Science 101 classroom.