Izzy vanished from her Middlesbrough home one day in 2021. After three years, her owner Rachel had nearly given up. Then, in May 2024, new UK cat-microchipping legislation meant a cat brought to the PDSA Pet Hospital was scanned before a chip was implanted — and Izzy was already chipped and reported missing. She had been living with another family who thought she was a stray. Thanks to the chip, Rachel got her back the next day.