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http://www.doh.wa.gov/Portals/1/Docu...ssisUpdate.pdf
Weekly pertussis update for Washington State
2014 year to date (YTD) confirmed and probable cases reported through 3/15/2014 (week 11)
This update summarizes reports of pertussis in persons with 2014 onsets received by local health jurisdictions (LHJs) during weeks 1-11, made visible to Washington State Department of Health (DOH) - Communicable Disease Epidemiology, and containing sufficient information for a DOH case classification to have been assigned.
There have been a total of 29 cases reported statewide through week 11, compared to 173 reported cases in 2013 during the same time period. Dates for the 2013/2014 comparison were based on LHJ notification date.
Thirty-one counties have reported no pertussis activity so far in 2014.
Among the eight counties with pertussis activity, the number of pertussis cases reported in a given
county so far this year ranges from 1 to 9, and the year to date rate of disease in a given county ranges
from 0.4 to 16.4 per 100,000 persons (see Table 1).
The overall incidence year to date is 0.4 pertussis cases per 100,000 Washington residents with a rate
in infants under one year of age of 2.3 per 100,000 (see Table 2). Two infants under one year of age
were reported as having whooping cough and were not hospitalized.
2014 year to date (YTD) confirmed and probable cases reported through 3/15/2014 (week 11)
This update summarizes reports of pertussis in persons with 2014 onsets received by local health jurisdictions (LHJs) during weeks 1-11, made visible to Washington State Department of Health (DOH) - Communicable Disease Epidemiology, and containing sufficient information for a DOH case classification to have been assigned.
There have been a total of 29 cases reported statewide through week 11, compared to 173 reported cases in 2013 during the same time period. Dates for the 2013/2014 comparison were based on LHJ notification date.
Thirty-one counties have reported no pertussis activity so far in 2014.
Among the eight counties with pertussis activity, the number of pertussis cases reported in a given
county so far this year ranges from 1 to 9, and the year to date rate of disease in a given county ranges
from 0.4 to 16.4 per 100,000 persons (see Table 1).
The overall incidence year to date is 0.4 pertussis cases per 100,000 Washington residents with a rate
in infants under one year of age of 2.3 per 100,000 (see Table 2). Two infants under one year of age
were reported as having whooping cough and were not hospitalized.
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