<human>: Background info: My roommates and I just took in two rescue kittens that a coworker found from a litter of four in their backyard. The litter was found two Saturdays ago (9/20). Two were adopted by separate friends, and our two remained at the coworkers until this past Monday (9/29).

The coworker had taken them to the vet last Tuesday (9/23). They had full examinations, and were given medicine for worms. The vet said that they were too young to have any vaccinations until their immune system fully develops, and to bring them back in 4-5 weeks. They had "flea dust", and the coworker bathed the two kittens in dawn dish detergent. Otherwise, the vet had said that they were both healthy.

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Fast forward to us having the two kittens. We've been containing them to the bathroom during the day while at work, feeding them before and after. The coworker had very recently switched them over to canned wet formula, and gave us a few cans to use.

A. One (or both, unsure) has been having diarrhea, which the other seems to lick. She's gone twice on my bed, and once on her towel. Is there a special food that I should be using for kittens of this age that won't lead to diarrhea?

B. After washing the two of them to de-diarrhea their fur, we discovered that they both have fleas. We spent the rest of the night using tweezers to remove the fleas, and drying them. I plan on getting a flea comb, bathing the two of them of in Dawn dish detergent, and washing all of my sheets and clothes. We have hardwood floors, should I still vacuum? 

C. The one (again, they might both be, but I've only directly witnessed one) that is having the diarrhea, is also having a little bit of eye discharge. It comes off pretty easily with a tissue.

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Condense the text into a few key points
<bot>: Any advice on fleas, eye discharge, and diarrhea for two 4 week old rescue kittens would be most appreciated, thank you!