A health alert has been issued by the U.S. Embassy in Hanoi regarding a full recall of ByHeart brand infant formula in the United States. The recall follows concerns about an outbreak of infant botulism linked to the product. ByHeart formula is also available for purchase in Vietnam through major online marketplaces.
Families are being urged to avoid using ByHeart infant formula and seek alternative feeding options for infants. Further details on the recall and information about botulism can be found on the Centers for Disease Control and Prevention (CDC) website at https://www.cdc.gov/botulism/outbreaks-investigations/infant-formula-nov-2025/index.html.
The embassy advises families to consult the CDC Travelers Health Page for updates, review country-specific health advisories, or contact CDC representatives directly for guidance.
For assistance, individuals can reach out to the U.S. Embassy in Hanoi at +84-24-3850-5000 or the U.S. Consulate General in Ho Chi Minh City at +84-28-3520-4200, as well as visit https://vn.usembassy.gov/. Additional support is available from the State Department’s Consular Affairs division at +1-888-407-4747 or +1-202-501-4444.
Travelers are encouraged to enroll in the Smart Traveler Enrollment Program (STEP) to receive security updates and follow official embassy channels on Facebook and X for ongoing information.