Am I wrong

My sister in law had a stroke and we went to see her in the hospital I thought she was in her own room but they took us to the icu and she was holding my baby and coughing on her and kissing her. Now we both have the flu.. today we went to my husbands moms house and she ended up getting there still coughing she grabbed my baby and starting kissing her and coughing. I told my husband pls tell her not to kiss her and to close her mouth or wear a mask even I had a mask on. He got mad and said no it’s not her fault don’t u see my sister she just had a stroke. I was like wtf look at me and ur daughter we have the flu.!! His mom was like hopefully y’all don’t get his sister sick and all of us. His sister was like it’s ok I was already sick anyways. My bf still said it wasn’t her fault. He left our house and is saying I’m wrong. Am I? All I wanted was for him to tell her not to kiss her. She’s a nurse she should know better…