SIDS and blankets

Tn

Sooo this is probably a stupid question but as a FTM, I still kind of have a phobia of SIDS. Mine still sleeps with no blanket and no pillow. She sleeps in a sleep sack some nights but can take it off herself. It gets down to 60s at night so I’m just curious if SIDS is still a thing at 18 mos??

I’ve covered her with a small blanket but still was nervous and everything in her crib doesn’t have any choking hazards.