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Pertussis Cases by Year (1922-2013)

This table shows reported pertussis cases in the United States since 1922. The related trend charts can be found on the Surveillance and Reporting page.

YearNo. Reported Pertussis Cases
1922107473
1923164191
1924165418
1925152003
1926202210
1927181411
1928161799
1929197371
1930166914
1931172559
1932215343
1933179135
1934265269
1935180518
1936147237
1937214652
1938227319
1939103188
1940183866
1941222202
1942191383
1943191890
1944109873
1945133792
1946109860
1947156517
194874715
194969479
1950120718
195168687
195245030
195337129
195460886
195562786
195631732
195728295
195832148
195940005
196014809
196111468
196217749
196317135
196413005
19656799
19667717
19679718
19684810
19693285
19704249
19713036
19723287
19731759
19742402
19751738
19761010
19772177
19782063
19791623
19801730
19811248
19821895
19832463
19842276
19853589
19864195
19872823
19883450
19894157
19904570
19912719
19924083
19936586
19944617
19955137
19967796
19976564
19987405
19997298
20007867
20017580
20029771
200311651
200425827
200525619
200615631
200710454
200813278
200916858
201027550
201118719
201248277
201328639
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