Volume 8, Number 9—September 2002
Research
Molecular Epidemiology of Measles Viruses in the United States, 1997–2001
Table 2
Frequency of detection of measles genotypes, United States, 1997–2001
Genotype | No.a | Sourceb |
---|---|---|
D6 | 13 | European countries, Brazil, unknown |
D5 | 12 | Japan, unknown |
D4 | 8 | India, Kenya, Ethiopia, Pakistan, Japan, unknown |
H1 | 7 | China, Korea, unknown |
C2 | 2 | Germany, Zimbabwe |
D8 | 2 | Italy, United Kingdom |
H2 | 3 | Vietnam, unknown |
D3 | 2 | Philippines |
D2 | 1 | Ireland |
D7 | 4 | Sweden, Europe, unknown |
G2 | 1 | Unknown |
aNumber indicates the number of times a genotype was associated with either an outbreak or a case.
bSource of virus, if known, based on standard epidemiologic investigations.