At least 265 new cases were reported as of 4:40 p.m. on Thursday, bringing the total to 5,238. That figure includes 14 people who returned from China on chartered planes, as well as infections detected during airport
quarantine checks.
https://www3.nhk.or.jp/nhkworld/en/news/20200409_3... (NHK WORLD JAPAN)
※形容詞化した用法。次の名詞とつながって、「検疫検査」の意。
Ninety-six of the cases involve health ministry and
quarantine officials, or people who were found to have the virus during arrival checks at airports.
https://www3.nhk.or.jp/nhkworld/en/news/20200409_3... (NHK WORLD JAPAN)
※形容詞化した用法。次の名詞とつながって、「検疫官」の意。