Releases / United States

CDC weekly pertussis (whooping cough) cases reported to NNDSS, United States and by state and territory release schedule and API

CDC. Source: U.S. Centers for Disease Control and Prevention (CDC), National Notifiable Diseases Surveillance System (NNDSS). Licence: public-domain.

Next releases

ReleaseUTCAgency local time
Pertussis cases (NNDSS)12:00 local (UTC-05:00)
Pertussis cases (NNDSS)12:00 local (UTC-05:00)
Pertussis cases (NNDSS)12:00 local (UTC-05:00)
Pertussis cases (NNDSS)12:00 local (UTC-05:00)
Pertussis cases (NNDSS)12:00 local (UTC-05:00)
Pertussis cases (NNDSS)12:00 local (UTC-05:00)

From the agency's own calendar, as of 2026-11-13. Reschedules and cancellations are in the API.

How fast it reaches the API

ReleaseMeasuredMedianFastestSlowestMissed
PERTUSSIS24.0 min4.0 min5.0 min0

Time from the agency publishing to the data being on our feed, for releases caught live in the last 30 days. Every release counts, including slow ones and misses.

Get it by API

Series ids: US.PERTUSSIS_CASES_YTD.TOTAL.NSA.

# pip install econfeed-client
from econfeed_client import Client

ef = Client()  # ECONFEED_API_KEY from the environment
for e in ef.calendar(days=90, source="us_cdc_pertussis"):
    print(e.scheduled_at, e.release_name, e.reference_period)

# add as_of= for what was known then
page = ef.observations("US.PERTUSSIS_CASES_YTD.TOTAL.NSA", start="2024-01")

# pushed seconds after release
for ev in ef.stream(sources=["us_cdc_pertussis"]):
    print(ev.type, ev.data.release_id)

REST: GET /v1/calendar?source=us_cdc_pertussis, GET /v1/series/US.PERTUSSIS_CASES_YTD.TOTAL.NSA/observations. Webhooks: filter on source us_cdc_pertussis.