“canteen workers”造句，怎麼用canteen workers造句

Conclusion Healthy Norwalk virus carriers were present in school canteen workers in Meixian and could be the hidden risk of Norwalk virus gastroenteritis outbreak.

Conclusion Healthy Norwalk virus carriers were present in school canteen workers in Meixian and could be the hidden risk...

Objective To investigate the infection status of Norwalk virus in school canteen workers in Meixian and provide the scientific basis for Norwalk virus gastroenteritis control and prevention.