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Coverage & sourcesThe 2026 US cyclospora outbreak, the largest on record

Collected articles: every report in this story's record, counted once, in the week (Monday to Sunday, UTC) it was published; a report published on a Sunday evening in US Eastern time counts in the next week. Copies of the same wire story count as separate articles. This shows how much we collected, not how important a development was or whether it was independently confirmed. It covers this record only, not all news coverage. Our collection begins in October 2021.

Collected articles per week

2997 dated articles from Jun 29, 2026 to the week of November 9, 2026.

11520Week of June 29, 2026: 93 articlesWeek of July 6, 2026: 207 articlesWeek of July 13, 2026: 1152 articlesWeek of July 20, 2026: 748 articlesWeek of July 27, 2026: 220 articlesWeek of August 3, 2026: 306 articlesWeek of August 10, 2026: 23 articlesWeek of August 17, 2026: 40 articlesWeek of August 24, 2026: 55 articlesWeek of August 31, 2026: 6 articlesWeek of September 7, 2026: 121 articlesWeek of September 14, 2026: 0 articlesWeek of September 21, 2026: 0 articlesWeek of September 28, 2026: 18 articlesWeek of October 5, 2026: 8 articlesWeek of October 12, 2026: 0 articlesWeek of October 19, 2026: 0 articlesWeek of October 26, 2026: 0 articlesWeek of November 2, 2026: 0 articlesWeek of November 9, 2026: 0 articles, so farJul 2026Aug 2026Sep 2026Oct 2026Nov 2026so far

Weekly counts, newest first

Collected articles per week
Week ofArticlesReports
November 9, 20260 (so far)November 2026 in the record
November 2, 20260
October 26, 20260October 2026 in the record
October 19, 20260
October 12, 20260
October 5, 20268
September 28, 202618September 2026 in the record
September 21, 20260
September 14, 20260
September 7, 2026121
August 31, 20266August 2026 in the record
August 24, 202655
August 17, 202640
August 10, 202623
August 3, 2026306
July 27, 2026220July 2026 in the record
July 20, 2026748
July 13, 20261152
July 6, 2026207
June 29, 202693June 2026 in the record

Compare by outlet rating

Of 2,997 dated articles, 11% from left-rated outlets, 74% from center-rated outlets, 7% from local TV counted as center, 7% from right-rated outlets, 0% from outlets not yet rated and 1% from outlets not placed left or right.

A rating describes the outlet, not a single report. How outlets are rated

The table, with every outlet behind each number

Outlets nobody has rated stay in their own group. Local TV newsrooms are counted as center by a published rule, whatever their own rating, and are shown apart from outlets rated center.

Outlet ratingArticlesShare of the 2997
Left (left and lean-left outlets)
The 72 outlets
33211%
Center (outlets rated center)
The 207 outlets
222374%
Counted as center by rule (local TV newsrooms)
The 16 outlets
2097%
Right (right and lean-right outlets)
The 45 outlets
2087%
Not rated (no rating yet)
The 2 outlets
40%
Not placed left or right (foreign outlets, entertainment trades)
The 8 outlets
211%

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The reports

Every update in this story lists its reports with links to the publishers. Open the full record