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Volume 7, Number 3—June 2001

Research

Molecular Epidemiology of Serogroup A Meningitis in Moscow, 1969 to 1997

Mark Achtman*Comments to Author , Arie van der Ende†, Peixuan Zhu*, Irina S. Koroleva‡, Barica Kusecek*, Giovanna Morelli*, Ilse G.A. Schuurman†, Norbert Brieske*, Kerstin Zurth*, Natalya N. Kostyukova§, and Alexander E. Platonov‡
Author affiliations: *Max-Planck Institut für Molekulare Genetik, Berlin, Germany; †Academic Medical Center, Amsterdam, the Netherlands; ‡Central Research Institute of Epidemiology, Moscow, Russia; §N.F. Gamaleya Institute of Epidemiology and Microbiology, Moscow, Russia

Main Article

Table 3

Years of isolation of individual subgroups of serogroup A Neissseria meningitidis in Moscow

Number of strains
Year III (ST5a) X VI III (ST7) other Total
1969 1 1
1970 9 1 10
1971 4 1 5
1973 1 1
1977 2 2
1983 4 4
1984 14 3 17
1985 3 3 6
1986 3 3
1987 3 3
1988 8 8
1991 8 8
1993 2 2
1994 1 4 1 6
1995 4 1 1 6
1996 1 17 18
199

1

2

3
Total 17 23 40 21 2 103

aST = sequence type
Subgroup assignments are according to data from random amplification of polymorphic DNA (Figure 2). For strains of subgroup III where a complete multilocus sequence typing analysis was not performed, bacteria were assigned to ST5 and ST7 on the basis of results with pgm polymerase chain reaction/restriction analysis. Other: 1971, subgroup IV-2; 1995, ST79.

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