Alliance for Pandemic Preparedness

January 11, 2021

The Importance of Anosmia, Ageusia and Age in Community Presentation of Symptomatic and Asymptomatic SARS-CoV-2 Infection in Louisiana, USA; a Cross-Sectional Prevalence Study

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A cross-sectional SARS-CoV-2 seroprevalence study in Louisiana found that reported loss of taste or smell was strongly associated with a positive (PCR or antibody) test (OR: 13.6). Among people who tested positive, 47.3% (147/311) were asymptomatic. Modeling the probability of symptoms showed that the highest probability of reporting symptoms was 64.6% at age 29, which declined to 49.3% at age 60 and only 25.1% at age 80.

Feehan et al. (Jan 5, 2021). The Importance of Anosmia, Ageusia and Age in Community Presentation of Symptomatic and Asymptomatic SARS-CoV-2 Infection in Louisiana, USA; a Cross-Sectional Prevalence Study. Clinical Microbiology and Infection. https://doi.org/10.1016/j.cmi.2020.12.029