Impact of SARS-CoV-2 Variants on COVID-19 Symptomatology and Severity during five waves.

by admin | 11月 8, 2024 | 臨床表現、流行病學, 西醫臨床科硏實證, 科學抗疫, 病毒、病理生理學

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By Bruno Belmonte Martinelli Gomes et al.

Source Cell

Impact of SARSCoV2 Variants on COVID19 Symptomatology and Severity during five waves : Patients infected in Delta wave were youngest (36.1 ± 18.2 years, p<0.001). The proportion of female patients was higher across all waves.

Positivity rate, disease severity, COVID-19-related deaths varied among them. Ageusia and anosmia were related to SARS-CoV-2 positivity in Ancestral, Gamma, and Delta waves but not in Omicron BA.1 and Omicron BA.2 waves. Diarrhea present decreases chance of positivity only in Omicron BA.1 and Omicron BA.2. Dyspnea was most consistent risk factor for severity across all waves.