is there a virus going around?

Could be campylobacter too, it’s a common food poisoning but in some vulnerable people and be severe and very occasionally fatal. If you have blood in the diarrhoea, this is a likely candidate. It’s nasty but normally self limiting after a week or two, keeping up electrolytes, and a light nourishing diet is important. Stopping eating on account of any diarrhoeal illness is never a good idea, the body needs more nourishment than ever. An intestine without food passing through is more likely to “eat itself”, if necessary take motion to ease nausea. Avoid imodium as this can cause stagnation with multiplying of bad bacteria, prolongation of symptoms and it’s possible for prolonged irritable bowel syndrome to set in. As recovery sets in diet of fermented foods may help restore balance.

Note, if bleeding continues after two weeks or so it needs investigation to rule out inflammatory bowel disease or a malignancy.

You mention eye pain, could be from sinuses, but if the surface of the eye is sore or itchy likely to be latest drain of Covid, where conjunctivitis is especially common in children affected by it.