위생부는 신뢰도를 높이기 위해 베이징시 질병예방통제중심과 중국 검험검역과학연구소 측정기관 등에서 검사를 나눠 실시했다고 말했다.
According to the Ministry of Sanitation, tests were done separately at the Beijing Centers for Disease Control and Prevention and measurement institutions of the Chinese Institute of Quarantine and Quarantine to increase dependability.