Yup. Your body is insanely well equipped to deal with unknown pathogens. Occasionally your body will become overwhelmed & put you on your arse.

On such occasions, I generally stay on my arse & fast until my appetite & energy returns. Typically this acute illness lasts only a couple of days. It does not progress into disease. I see the same patterns occurring in my kids when they become ill.

All drugs are poisons, but some are useful.