Research explainers: How training lowers immunity; HIV cure - still a way to go

Drs Fabien Vincent and Kim Murphy, Department of Immunology, explain how intense or prolonged exercise can lower immunity, but it's a short term effect, and can easily be counteracted with proper diet and hygiene.
https://theconversation.com/sick-of-exercise-heres-how-training-can-lower-immunity-29390

Explainer: what is the immune system?

Department of immunology's Dr Fabien Vincent , Prof Fabienne Mackay (Head of the Department) and Dr Kim Murphy speak on the importance of the immune system and its two interwoven components: the innate and adaptive immune systems, and what happens when the immune system goes wrong.  Article link