c.
0
TABLE XX
Example of computer analysis of some phage patterns of cultures from different countries when discrimination
alternative N8 is used to differentiate between phage typing patterns of 3178 isolates
Phage reactions code per typing phagea
- No. of
I
14 I11 IV IVA V
VI VII VIII VIIIA IX
X
X I XI1 F12 766 cultures
Isolated in
l
t
i
;
1
1
6
6
1
1
1
1
1
4
8
1
3
1
50
1
8
1
1
6
6
1
1
1
1
1
6
8
1
1
1
39
1
8
8
8
6
8
8
8
8
8
8
6
8
8
6
4
28
4
8
8
6
8
8
8
8
6
6
8
6
8
8
8
6
27
6
8
8
6
8
8
8
8
6
6
8
6
8
8
8
6
27
1
6
1
6
6
8
8
8
4
6
8
2
2
6
3
4
19
1
8
1
4
8
8
8
1
1
1
1
6
8
1
6
6
18
1
8
1
1
6
6
2
1
1
1
1
6
8
1
1
1
16
2
8
8
6
8
8
8
8
6
6
8
6
8
8
8
6
16
~~~~
Hungary, Japan, Poland,
Romania
Japan
USA, France
Czechoslovakia, USSR
USSR
Israel
Czechoslovakia, USSR
USSR
Japan
a Phage pattern coded according to definition of N8 in TabIe XXI (e.g. 1 corresponds to a negative reaction, 8 to confluent lysis and
so on).