Emerg Infect Dis. 2023 Jan;29(1):207-211. doi: 10.3201/eid2901.221111.
In North Carolina, USA, the SARS-CoV-2 Omicron variant was associated with changing symptomology in daily surveys, including increasing rates of self-reported cough and sore throat and decreased rates of loss of taste and smell. Compared with the pre-Delta period, Delta and Omicron (pre-BA.4/BA.5) variant periods were associated with shorter symptom duration.
在美国北卡罗来纳州,SARS-CoV-2 的奥密克戎变异株与日常调查中的症状变化有关,包括报告咳嗽和喉咙痛的比例增加,味觉和嗅觉丧失的比例降低。与德尔塔前期相比,德尔塔和奥密克戎(BA.4/BA.5 前期)变异株流行期间的症状持续时间更短。