In this episode, Juan Franco, editor in chief of BMJ EBM, and Helen Macdonald, The BMJ's research integrity editor, sit down to discuss what's new in the world of evidence.

Firstly, last week they went to the first EBM Live conference for two years - and report back on what happened when the evidence community got back together.

We have two research papers looking at knees and shoulders, and finding out about the balance of risks and benefits.

In covid news, we're still finding new symptoms associated with infection, 2.5 years after the pandemic started. We'll also hear how complex it is to research vaccine efficacy now.

Reading list:

Smell and taste dysfunction after covid-19 https://www.bmj.com/content/378/bmj.o1653

Serious adverse event rates and reoperation after arthroscopic shoulder surgery

https://www.bmj.com/content/378/bmj-2021-069901

Viscosupplementation for knee osteoarthritis

https://www.bmj.com/content/378/bmj-2022-069722

Waning effectiveness of BNT162b2 and ChAdOx1 covid-19 vaccines over six months since second dose