Sick toddler

Omg help somebody...im so scared that my 3yr old is going to get the baby sick...not to mention i think im coming down with it too...ugh first weekend home was sooo hard...came home and washed everything in my kids room and my room and when i say everything i mean everything got cleaned with Lysol...i know im supposed to be resting but how can i when i have an sick child in the house..im walking through my house spraying Lysol on everything and everytime my 3yr old coughs i spray in his room(i know he thinks im crazy or something😂) but i just dnt want the bby to get sick...my husband isn't seeing it from my point of view..if one child is sick then my oldest is going to get it too(shared room) but I've been tryin to keep them away from the bby but they so excited about the new bby...lord please pray for me..my husband went back to work today and it's just me and the kids...my oldest is going to school..but i gotta take my toddler and myself to the doctors today..Ugh..Please let it be an ear infection or something simple..just dnt let him have the flu🙏🏾🙏🏾🙏🏾🙏🏾🙏🏾🙏🏾🙏🏾