B737-800
Flight Attendant Current
Physiological - Other
Deviation / Discrepancy - Procedural Published Material / Policy; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Flight Crew Returned To Gate; General Maintenance Action
Aircraft
As we were backing up; passenger in 30D informed us that the lavatory had a very strong burning plastic smell. We confirmed it; and the Captain returned to gate. The #3 then started vomiting in the first class lavatory. The #4 and I (#2) felt light headed and nauseous. Passenger deplaned; and airplane was taken out of service. #3 went to the ER.
Flight Attendant reported fumes in cabin during pushback from gate. Additionally; cabin crew reported physiological symptoms.