There are 4 incidents from 2015 in NEISS (National Electronic Injury Surveillance System), although using different search terms may give more results. See "Archived Data" links on the right of the page.
151018762 10/5/15 PUT HAND IN PURSE GRABBED VAPE PIPE BURN FINGER,BLISTER,DX:BURN FINGER
150750237 7/22/15 IN CAR W/BATTERY OF A VAPORIZER IN HIS PANTS POCKET WHEN IT BEGAN SMOKING & EXPLODED, CAUGHT PANTS ON FIRE, ? FD, DX: BURN THIGH, HANDS
160211088 12/25/15 INGESTED UNKNOWN AMT. OF LIQUID VAPOR USED IN VAPOR PENS, AT HOME DAD'S FRIEND THOUGHT CONTAINER WAS EMPTY. DX: INGESTION- LIQUID VAPOR
150853949 8/17/15 MOM INGESTION UNK AMT VAP LIQUID OF E-CIG, LARGE AMOUNT NOTED ON BED LIQUID ON HANDS & LEG DX ACCIDENTAL INGESTION TOPICAL EXPOSURE NICOTINE
Raw data, 2015
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