1Editorial commentary on special issue of COVID-19 pandemicWei Yang395-3962Challenges confronting rural hospitals accentuated during COVID-19Anthony D.Slonim, Helen See, Sheila Slonim397-4093Antibody responses in COVID-19 patientsShuying Liu, Shan Lu410-4154Medical management of COVID-19 clinicNeha Mehta, Renli Qiao416-4215Modeling the transmission dynamics of COVID-19 epidemic: a systematic reviewJinxing Guan, Yongyue Wei, Yang Zhao, Feng Chen422-4306Characteristics of viral specimens collected from asymptomatic and fatal cases of COVID-19Andrew J.Gorzalski, Paul Hartley, Chris Laverdure, Heather Kerwin, Richard Tillett, Subhash Verma, Cyprian Rossetto, Sergey Morzunov, Stephanie Van Hooser, Mark W.Pandori431-4367Identification of county-level health factors associated with COVID-19 mortality in the United StatesWei Pan, Yasuo Miyazaki, Hideyo Tsumura, Emi Miyazaki, Wei Yang437-4458Subgroup comparison of COVID-19 case and mortality with associated factors in Mississippi: findings from analysis of the first four months of public dataLei Zhang, Stephanie T.McLeod, Rodolfo Vargas, Xiaojian Liu, Dorthy K.Young, Thomas E.Dobbs446-4579Identification of therapeutic drugs against COVID-19 through computational investigation on drug repurposing and structural modificationYangfang Yun, Hengyi Song, Yin Ji, Da Huo, Feng Han, Fei Li, Nan Jiang458-46910An unusual COVID-19 case with over four months of viral shedding in the presence of low neutralizing antibodies: a case reportWei Chen, Zhiliang Hu, Changhua Yi, Yun Chi, Qingfang Xiong, Chee Wah Tan, Yongxiang Yi, Lin-Fa Wang470-474