Your child will eventually want to have friends over to play, so it's important for your dog to become comfortable with unfamiliar children. (aspca.org)
They do well with children they have been raised with but may not tolerate unfamiliar children. (nextdaypets.com)
Be extra careful around unfamiliar children and adults, as the costumes and / or masks may frighten your pooch. (petsmagazine.com.sg)