Alerts
The alerts on these pages are based on the monitoring of publicly available data. While some alerts reference false claims, others are included to indicate gaps in knowledge, concerns, speculation, and other trending narratives. Inclusion in reporting is based on reach and velocity of spread and on whether conversations may impact health behaviors and decisions.
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Fourth death in Pennsylvania sparks discussion about severe measles complications
High Impact
Pennsylvania reported a fourth measles-associated death, an 18-year-old who was unvaccinated and died from acute disseminated encephalomyelitis (ADEM), a rare…
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Woman’s death sparks discussion about kratom safety and regulation
Medium Impact
A lawsuit filed by the family of a 55-year-old California woman who died after using a kratom product is drawing…
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Newly identified tick-borne virus sparks confusion about U.S. risk
Low Impact
Researchers in China identified a previously unknown tick-borne virus, called Asian longhorned tick nairovirus (ALTNV), in people with a history…
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Record vaccine exemption rates fuel debate about school vaccination requirements
High Impact
New national data show that exemptions from school vaccination requirements among kindergartners reached a record high during the 2025–2026 school…
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Updated COVID-19 vaccines prompt questions about eligibility and access
Medium Impact
The FDA approved updated COVID-19 vaccines for the 2026–2027 respiratory virus season. The vaccines target the XFG variant and are…
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Meta settlement prompts discussion about social media and youth mental health
Medium Impact
Meta reached a multistate settlement to pay up to $18 billion over allegations that Facebook and Instagram were designed with…
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Pennsylvania measles deaths prompt questions about disease severity and vaccination
High Impact
The Pennsylvania Department of Health confirmed two measles-associated deaths in unvaccinated Lancaster County residents, marking the state’s first measles-related deaths…
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Trial fuels debate about postpartum psychosis and mental health care
Medium Impact
The ongoing trial of Lindsay Clancy, a Massachusetts mother charged with killing her three children in 2023, has sparked widespread…
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Executive order on childhood vaccines prompts confusion about schedule changes
High Impact
President Donald Trump signed an executive order directing federal agencies to develop new recommendations on the timing and administration of…
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Vibrio and dengue cases raise questions about infectious disease risks
Low Impact
Recent reports of severe Vibrio infections and locally transmitted dengue have sparked online conversation about infectious disease risks in parts…
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Approval of first mRNA flu vaccine prompts questions about safety and vaccine options
High Impact
The FDA approved mFlusiva, the first mRNA-based seasonal flu vaccine in the United States, for adults ages 50 and older.…
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Fauci hearing and health secretary interview reignite COVID-19 and vaccine debates
High Impact
A July 29 Senate hearing featuring former National Institute of Allergy and Infectious Diseases Director Anthony Fauci prompted a surge…
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Proposed bill sparks discussion about the environmental impacts of AI data centers
Low Impact
Rep. Rashida Tlaib introduced the No AI Data Centers on Federal Lands Act, legislation that would prohibit large artificial intelligence…
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Arizona woman’s hospitalization prompts debate about kratom safety
Medium Impact
In late July, news outlets reported that an Arizona woman had been hospitalized and placed on life support after taking…
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Canadian wildfires prompt online conversation about staying safe in poor air quality
Medium Impact
As smoke from wildfires in Canada affected air quality in many cities across the United States, online commenters discussed how…
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Uncertainty around cyclosporiasis outbreaks drives speculation and anxiety
High Impact
National discussion about cyclosporiasis continues to grow as investigations remain ongoing and no common source has been confirmed. While some…