👤 YajunYuan Keywords 🔗 severe acute (1373) 🔗 syndrome coronavirus (1074) 🔗 public health (392) 🔗 respiratory syndrome (2004) 🔗 respiratory tract (344) 🔗 acute respiratory (1734) 🔗 throat swab (43) 🔗 close contacts (35) Articles (1) Caution should be exercised for the detection of SARS-CoV-2, especially in the elderly. 👤 YajunYuan 👤 Wang, Nan 👤 Ou, Xueqing ⏰ 2020 📚 J Med Virol