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. 2020 Nov;10(7):e223.
doi: 10.1002/ctm2.223.

Buffer wards for the control of COVID-19 transmission in hospitals

Wensi Zhao  1 , Yi Gao  1 , Qiuni Xu  1 , Wanjun Ding  1 , Dedong Cao  1 , Zhuya Xiao  1 , Jiayu Chen  1 , Li Yan  2 , Chen Zhao  1 , Xiaoxu Li  3 , Ying Chen  3 , Qian Chen  1 , Yongshun Chen  1
Affiliations

Buffer wards for the control of COVID-19 transmission in hospitals

Wensi Zhao et al. Clin Transl Med. 2020 Nov.
No abstract available

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Conflict of interest statement

The authors declare that there is no conflict of interest.

Figures

FIGURE 1
FIGURE 1
Hospitalization and risk stratification strategy of COVID‐19 for patients during the epidemic remission stage. At the beginning of the outbreak, the epidemic was controlled mainly through designated hospitals and mobile cabin hospitals, whereas in the remission stage, the main strategy was to maintain stability by screening of asymptomatic individuals and setting up buffer wards. The first round of risk screening in outpatient or emergency department includes chest CT scan, blood routine, and virological tests (nucleic acid test of nasopharyngeal and oropharyngeal swab and serological test of IgM and IgG antibody). Unconfirmed asymptomatic patients were temporarily transferred to buffer ward for a second round of screening, including blood routine, nucleic acid tests of nasopharyngeal, oropharyngeal, sputum, and anal swabs, and serological tests of IgM and IgG antibody. Other specialized examinations may also be conducted if necessary, such as cardiac troponin I (cTnI) and craniocerebral CT scan. The three zones and two channels of buffer wards refer to the clean zone, potential contaminated zone, contaminated zone, medical personnel channel, and patient channel. The buffer wards were classified into subspecialties: (1) comprehensive surgical buffer ward, (2) comprehensive internal medicine buffer ward, (3) buffer ward for breast, thyroid and reproductive system diseases, (4) buffer ward for gastrointestinal bleeding or other emergencies, (5) oncology and hematology buffer ward, (6) ophthalmic buffer ward, (7) psychiatric buffer ward, and so on
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