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August 10, 2020

COVID-19 and the chemical senses: supporting players take center stage

Cooper KW, Brann DH, Farruggia MC, Bhutani S, Pellegrino R, Tsukahara T, Weinreb C, Joseph PV, Larson ED, Parma V, Albers MW, Barlow LA, Datta SR, and Di Pizio A (2020)

COVID-19 and the chemical senses: supporting players take center stage

Neuron 107:219-233.

The main neurological manifestation of COVID-19 is loss of smell or taste. The high incidence of smell loss without significant rhinorrhea or nasal congestion suggests that SARS-CoV-2 targets the chemical senses through mechanisms distinct from those used by endemic coronaviruses or other common cold-causing agents. Here we review recently developed hypotheses about how SARS-CoV-2 might alter the cells and circuits involved in chemosensory processing and thereby change perception. Given our limited understanding of SARS-CoV-2 pathogenesis, we propose future experiments to elucidate disease mechanisms and highlight the relevance of this ongoing work to understanding how the virus might alter brain function more broadly.

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HISTORY SHOWS AGAIN AND AGAIN HOW NATURE POINTS OUT THE FOLLY OF MEN – “GODZILLA,” BLUE OYSTER CULT

Sandeep Robert Datta, MD, Ph.D Department of Neurobiology Harvard Medical School