Epidemiologist Matt Keeling tells us about his work on the roadmap out of lockdown, whether the models have been too pessimistic, and what it's been like producing scientific results that carry so much weight.

There have been accusations that the modelling projecting the course of the pandemic was too pessimistic. Are they justified?

The maths behind the S-curves that allow us to tell if a new variant is on the rise.

How to tell quickly if a new variant is on the rise.

Francesca Scarabel may be early on in her research career, but she has already been part of the UK's emergency mathematical response to the COVID-19 pandemic. She tells us about her experience in this podcast.

Game theory suggests that sharing vaccine doses might give a selfish, as well as moral, advantage.

Ed Hill has been working on the COVID-19 pandemic right from the start, providing government with essential epidemiological advice. Find out about his journey in this podcast.

What can we expect from a disease for which natural or vaccine induced immunity wanes?

To work out the famous R number you need to know the time between infections.

How long does it take for one person to infect another?

The doubling time for the Omicron variant seems to be scarily fast. But how do you calculate it?

Can you capture people's behaviour in epidemiological models?

  • Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.