RELATED: Texas mom creates interactive map to help kids trick-or-treat safelyThis year, the Centers for Disease Control and Prevention (CDC) discouraged Americans from participating in traditional trick-or-treating and indoor costume parties due to the ongoing coronavirus pandemic.AdvertisementHowever, if trick-or-treaters end up hitting the streets, they should not wear a costume mask as a replacement for their virus-related mask or in addition to one, the CDC said.Costume masks should only be worn if they have two or more layers of breathable fabric that covers the mouth and nose and doesn’t leave gaps around the person's face, the CDC said, adding that trick-or-treaters should consider using a Halloween-themed cloth mask instead.The.