On this episode of the podcast Patrick is joined by returning guest Dr Jeff Barrett. Jeff is the the lead statistical geneticist for The COVID-19 Genomics UK Consortium (COG-UK). Patrick and Jeff discuss COG-UK's sequencing operation that is tracking viral spread around the UK, how to identify super spreader events from virus data, what is known about re-infection from COVID19, and results from the vaccine trials and what the next year may hold.