Today we want to go to a birthday party with kids, now I'm thinking ? …

Today we want to go to a birthday party with kids, now I'm thinking ? how or what can I not get sick from if someone there is sick? Oxylin, blocker? We already got sick once, and after that we didn't go out of the house for a month except for the streets. The baby can't be left anywhere, and I'm already tired sitting at home, I want to go to a children's party even though.