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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A recent viral social media post reignited the years-old claim that COVID-19 vaccines were developed “too fast.” The post garnered…
Beginning August 15, the nasal-spray flu vaccine Flumist is available in 34 states for at-home administration for people aged 2…
In an August 8 email, federal health officials reportedly indicated that the FDA may not renew authorization for Pfizer’s COVID-19…
Online conversations about flesh-eating bacteria in coastal waters have spiked as multiple states have reported cases. Although several species of…
In a popular August 1 post, the HHS secretary cast doubt on a recent study from Denmark that found there’s…
On July 31, the CDC published a report that found that vaccination rates for all vaccines among U.S. kindergartners during…
On July 21, an FDA panel discussed the use of selective serotonin reuptake inhibitors during pregnancy. Most panelists misleadingly claimed…
Online discourse about the potential dangers of AI tools spiked after news coverage of a 30-year-old man on the autism…
Social media posts are recirculating the false claim that a preprint study co-authored by Florida’s surgeon general found that Pfizer’s…
The misleading claim that doctors are paid or bribed by pharmaceutical and insurance companies to “push” vaccines is being widely…
Following HHS Secretary Robert F. Kennedy Jr.’s reported plan to “review” all vaccines containing aluminum, myths about the ingredient in…
On July 9, the CDC reported that measles infections have reached their highest levels in over 30 years, with nearly…
In a June 30 interview, HHS Secretary Robert F. Kennedy Jr. falsely claimed that the hepatitis B vaccine is linked…
In late June, as a heat wave gripped much of the U.S., social media users with large followings began discussing…
Conversations about the CDC’s Advisory Committee on Immunization Practices June 25 and 26 meeting are trending online. Although vaccine opponents…
As much of the U.S. experienced a heat wave, social media posts discussed the health impacts of extreme heat. Many…