Essentially there seems to be more generalized immune dysfunction now. I believe a key driver is the heightened level of stress people are now experiencing. This comes from concerns about escalating levels of violence and unease around the world as well as cost of living pressures and the disruption to life in general in recent times.
We need to consider what our bodies need and nurture ourselves physically, mentally and emotionally. We are not the invincible beings we felt we were as teenagers. Maybe we need to regularly stop, check in without selves, and reflect on our mental, physical and emotional wellbeing. That way we can assess how we are feeling, know when something feels out of balance, and take the time to nourish and care for our bodies, giving them the attention they deserve.