Sleep regression?

Moms please tell me your 16 month olds are going through a sleep regression too. This has been going on for over a month. First it started with molars coming in and those popped through. Then she got an upper respiratory infection then the sleep got worse from there. Now we are up 2-3 times a night and one of those times every night she’s up for a good hour to an hour and a half fighting the sleep. She only takes one nap during the day for anywhere from 1.5-3 hours which has been going that way for 6 months now. My husband and I are exhausted and at a loss of what to do next. We unfortunately still rock her to sleep but she can self settle a decent amount of the time until this started. She just wakes up screaming each time she wakes. Tips?