27 articles from 10 news outlets, Sep 27 to Oct 26
Share of stories per day
The share of each source's stories that mention measles, averaged over sources with at least 3 stories that day.
Coverage by source over time
One ridge per source that mentioned measles, from the most left-leaning on top: how high it rises each day is the share of that source's stories that mention it.
NPR mentioned it first (Sep 30, 2026, 7:00 AM EDT). Least biased outlets followed 3 days later, right-leaning outlets 6 days later.
One row per source that mentioned measles, from the most left-leaning on top: a dot for each article, on a bar for each stretch of its coverage (a pause of more than 24 hours starts a new one). Hover or tap a dot for the headline, click it to read the article.
Drag across the strip of articles per day to zoom into some days.
The share of stories that mention measles, Sep 27 to Oct 26, averaged over the outlets of each political lean with at least 3 stories. The groups differ in size, so a single outlet weighs more in the smaller ones.
Lean index −0.1: covered about evenly across the spectrum
Each outlet at its MBFC bias score, from −10 (far left) to +10 (far right), as high as the share of its stories that mention measles. The lean index is the average score of the outlets covering it, weighted by that share.
lean indexour sources' average (+0.4)leftcenterright
Keywords that appear in the same articles as measles, Sep 27 to Oct 26: the share of its articles that also mention them, with the number of shared articles.
The search icon lists the articles that mention both.
place48.1% (13)
organization25.9% (7)
place22.2% (6)
place14.8% (4)
topic14.8% (4)
topic11.1% (3)
person7.4% (2)
place7.4% (2)
topic7.4% (2)
topic7.4% (2)
topic7.4% (2)
Example articles
The article that features measles most, per source.
Every article that mentions measles, Sep 27 to Oct 26. Relevance says how central it is to the article; ● marks a mention in the title. Combine with another keyword, text or sources.