Indeed it can...
Sometimes it would sound like they were coughing up schrapnel.
I do not know if they still do this but they would on occasion hospitalize the little sprouts with severe croup. We would put them in a cool,moist tent... 24/7
SDG..Back in '84 I was at the hairdressers getting a perm. My husband called the shop and asked me to please come home because my little guy had a 105 fever.
The babies can get sick so fast and furious. However they get better fast...they are very resilient...
Good Luck...you seem like such a good Daddy :)