Volume 8, Number 9—September 2002
Molecular Epidemiology of Measles Viruses in the United States, 1997–2001
|D6||13||European countries, Brazil, unknown|
|D4||8||India, Kenya, Ethiopia, Pakistan, Japan, unknown|
|H1||7||China, Korea, unknown|
|D8||2||Italy, United Kingdom|
|D7||4||Sweden, Europe, 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.