Yu et al reported their findings on the relationship between the clinical features and tongue manifestations of 40 cases with the novel coronavirus pneumonia. In the early stage of disease (day 1-2) these patients presented with red tongue body, less coating, and mild symptoms. As the disease progressed (langer than 3 days), the tongue coat of some patients became thick and greasy.

Reference

Yu SM, Cui YF, Wang ZX, et al. Analysis of the relationship between the clinical features and tongue manifestations of 40 cases with novel coronavirus pneumonia. Beijing Journal of Traditional Chinese Medicine, 2020, epub ahead of print.

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