Current Trends Measles Importations -- United States, 1982
During 1982, 118 measles cases, an average of 2.3 weekly, were
imported into the United States*; they represented 7.0% of the
provisional total of 1,697 measles cases reported to CDC during
that
period. Thus, the proportion of cases reported as being imported
increased from 1981's 3.6% (114/3,124).
The 118 persons with imported measles were travelers who
arrived
in the United States from 32 different countries. Eight countries
accounted for 62.7% (74) of the importations: England--19 (16.1%),
Mexico--12 (10.2%), Philippines--10 (8.5%), India--nine (7.6%),
France--seven (5.9%), Korea--seven (5.9%), Scotland--five (4.2%),
and
Spain--five (4.2%). The other 24 countries each contributed four
or
fewer importations during the year.
Twenty-seven states, New York City, and the District of
Columbia
reported measles importations (Figure 2). Five areas accounted for
61.0% (72) of reported cases: California--34 (28.8%), Florida--11
(9.3%), New York City--11 (9.3%), New York State (excluding New
York
City)--nine (7.6%), and Hawaii--seven (5.9%).
Returning U.S. citizens accounted for 67 (56.8%) of the 1982
importations, compared with 66 (57.9%) of 114 in 1981.
Measles transmission to persons in the United States was
documented in 19 (16.1%) of the 118 cases, with 613 cases resulting
from importations. Thus, imported and import-related cases
accounted
for 43.1% of all measles cases reported in 1982. Large
import-related
measles outbreaks occurred in Florida, Kansas, Michigan, New York,
and
Texas.
Reported by Div of Immunization, Center for Prevention Svcs, CDC.
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