Would MRSA of the lungs be more likely in a smoker than a non-smoker and why?

Now a second friend of mine has MRSA. The first one passed away. She is not a close friend; she’s my ex’s girlfriend of twenty years. She had been walking around with oxygen at times but has recently quit smoking. Her age is 60. I’ve been around her about six times.
If MRSA enters the body through a cut would she be more likely to have contracted it merely from years of smoking? Or does it have to come in through a cut?