The airline said the flight had to return to the gate before takeoff due to a "customer illness".
When an unnamed passenger on a Delta flight to Jackson, Mississippi suffered a medical emergency on Wednesday, a doctor onboard was able to help.
The call for help was quickly answered by U.S. Surgeon General Dr. Jerome Adams, who was another passenger on the flight.
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Adams stated on his website, "I, Surgeon General of the United States Public Health Service, VADM Jerome Adams, am emphasizing the importance of the overdose-reversing drug naloxone".
It wasn't clear what the emergency involved, but Adams said the patient is now doing well.
Flight staff called for help, and Adams, along with two nurses, stepped in to help evaluate the passenger.
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Delta also responded to the tweet thanking Adams for volunteering to step in during the scary situation.
An anesthesiologist, Adams was previously Indiana's health commissioner, and in recent years is best known for his response to an HIV outbreak that left 181 people infected in a rural in county.
According to local news station WAPT, Adams was headed to speak at the University of Mississippi Medical Center on Thursday to address the Trump administration's fight against the opioid epidemic.
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