1,973 workers at Fukushima No.1 nuclear plant are at the risk of getting thyroid cancer after being exposed to an estimated thyroid radiation doses exceeding 100 millisieverts, according to data from Tokyo Electric Power Co.
According to The Japan Times, all of these workers will be allowed to undergo annual ultrasonic thyroid examinations free of charge.
The report said that Tepco has given health checks to 19,592 workers, including 3,920 Tepco employees and 16,302 employees of its partner firms.
However, the report added that only 522 workers had their radiation doses checked and reported to the World Health Organization, with doses in 178 of them surpassing the threshold of 100 millisieverts.