A startled security worker noticed the shape of a child on the carry-on baggage screening monitor and immediately pulled him out, the Los Angeles Times reported for a story in Wednesday's editions.
The infant was taken to a local hospital, where doctors determined he did not receive a dangerous dose of radiation.
"This was an innocent mistake by an obviously inexperienced traveler," said Paul Haney, deputy executive director of airports and security for the city's airport agency.
The incident happened early Saturday, airport officials said, reports AP.
Haney said in 1988, an infant in a car seat went through an X-ray machine at the Los Angeles airport.
In response to the unlawful December 1 arrest and detention of Chinese tech giant Huawei's chief financial officer Sabrina Meng Wanzhou by Canadian authorities in Vancouver at the behest of the Trump regime, facing possible unacceptable extradition to the US, Beijing warned its high-tech personnel last month against traveling to America unless it's essential.
Rescuers found the pilot of one of the two Su-34 fighters that had collided in midair in the Far East on January 18