FDA approved Moderna's mFLUSIVA, the first mRNA-based seasonal flu vaccine. WHO's vaccine advisory committee recommended a Ervebo ring vaccination trial in the DRC. U.S. measles reached 2,465 cases.
The cyclosporiasis outbreak claimed its first U.S. deaths as cases expand to 45 states. The Ebola outbreak crossed 3,800 confirmed cases this week, making it the largest Ebola outbreak in DRC history. U.S. measles passed its 2025 full-year total, with PA the most active state.
U.S. measles registers the highest annual case count since 1991, with a new Delaware outbreak and Pennsylvania cases approaching 135. The cyclosporiasis outbreak expanded from five to nine states and Michigan's confirmed count reached 9,253.
Cyclosporiasis outbreak linked to lettuce products. Measles passes 2025 high. NYC Legionnaires' cluster claims a 5th life. Ebola in DRC crosses 1,000 deaths.
The cyclosporiasis outbreak is on track to be the largest in U.S. history. Measles is on track to exceed 2025 totals. West Nile virus has an early season start.
Grand Canyon mystery illness spreading among Colorado River rafters (5+ groups, no dx). DRC Ebola accelerating past 1,580 cases; first-ever Bundibugyo treatment trial launches. Uganda adds separate Marburg case. NYC Legionnaires cluster hits 18. Tularemia treatment guidance updated.
The Ebola outbreak is now the third-largest on record. A Cyclospora outbreak has sickened at least 145 people across nearly 20 states, no food source identified. A second infant formula botulism outbreak has been traced to the same milk supply chain implicated in last year's ByHeart recall.
The Bundibugyo Ebola outbreak has surpassed 1,000 confirmed cases, now the second largest on record, with CDC modeling projecting up to 20,000 within three months under current isolation rates. At home, cyclosporiasis is surging well above its seasonal baseline.
The Ebola outbreak surged past 800 confirmed cases in DRC, with Africa CDC warning it could become the worst Ebola outbreak in history. The World Cup's first week saw more heat casualties than infectious disease, while summer enteric pathogens accelerate domestically.
The FIFA World Cup opens tomorrow with 6.5 million fans arriving across 16 cities. The Bundibugyo Ebola outbreak surges past 550 confirmed cases in DRC, with CDC modeling warning of 20,000+ cases within three months.
The FIFA World Cup opens June 11 across 16 cities in the U.S., Canada, and Mexico. The Bundibugyo Ebola outbreak has tripled to 321 confirmed cases, now the third-largest in history. New York confirmed its first human Bourbon virus case.
The Bundibugyo Ebola outbreak in the DRC has nearly doubled in a week , 105+ confirmed and 900+ suspected cases across three provinces, with WHO declaring a PHEIC and the U.S. extending Title 42 restrictions to green card holders.