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Democratic presidential nominee Hillary Clinton had a health scare during a 9/11 memorial ceremony. Reports of her fainting on her way to a van were soon corroborated by a video.

Clinton’s campaign has acknowledged that the Democratic nominee was feeling “overheated” and that she did leave the 9/11 ceremony early. Spokesman Nick Merrill said, “During the ceremony, she felt overheated, so [she] departed to go to her daughter’s apartment and is feeling much better.”

Nothing has been said on her fainting.

RELATED: A man on a sidewalk filmed a faint Hillary Clinton struggling to enter a van during a 9/11 memorial ceremony

Now Clinton’s doctor has a new development.

POLITICO reports that Clinton was diagnosed with pneumonia on Friday.

Lisa Bardack, Clinton’s doctor, said the following:

Secretary Clinton has been experiencing a cough related to allergies. On Friday, during follow up evaluation of her prolonged cough, she was diagnosed with pneumonia. She was put on antibiotics, and advised to rest and modify her schedule. While at this morning’s event, she became overheated and dehydrated. I have just examined her and she is now re-hydrated and recovering nicely.

Earlier this year, Bardack released the following statement in an effort to refute speculations about Clinton’s health:

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