The Morbidity and Mortality Weekly Report's Volume 75, Issue 15 published Thursday. It did not lead on measles, now at 1,748 confirmed cases and 94 percent outbreak-associated per the April 17 CDC dashboard. [1] It did not lead on bovine H5N1, which expanded into additional Idaho dairy herds this week. [2] The paper's Tuesday read framed Issue 15 as the moment the silence would resolve as two-week editorial lag or as policy. Thursday resolves it as policy.

Issue 14, on April 16, ran two invasive Haemophilus influenzae type b clusters among homeless adults in Alaska, Oregon, and Washington. [3] Issue 15 carried unrelated surveillance content. Taken together, the MMWR has now gone three consecutive issues — April 2, April 9, April 16, April 23 — without a contemporaneous paper on the largest US measles outbreak since 1991 and without a current-outbreak H5N1 report. [3] The bovine H5N1 file moved to USDA in July 2025. The measles file remains CDC's. The editorial choice is visible.

The CDC data dashboard updates weekly. The surveillance journal does not. The architectural split between dashboard-as-data and MMWR-as-narrative is not inherently wrong — the dashboard is what a clinician reads on a Thursday afternoon. But the publication obligated to surface outbreak epidemiology is, on the third Thursday in a row, carrying something else. That pattern is no longer a lag.

-- NORA WHITFIELD, Chicago