David, Tatsuya and Caleb – along with other chemical senses researchers from across the globe – wrote this lovely review (here) summarizing the current state of our understanding of how SARS-CoV2 affects olfaction, taste and chemesthesis – and further, how this understanding might influence our thinking about the interaction between SARS-CoV2 and the brain. So many questions remain, and so many models are still possible – there is much to learn. And yet – important first steps are being taken that are beginning to narrow down mechanisms.