As leftover candy stashes run low in American households across the country, several state officials and school authorities have begun citing coronavirus outbreaks related to Halloween, less than two weeks after the fall holiday. Despite these warnings, some people flouted recommendations. Although several large events made headlines, such as a gathering in Utah, which reportedly attracted thousands of costumed attendees, other smaller events in private homes and dorm rooms, seemingly slipped under the radar. And now, officials say those smaller events could be contributing to the surging COVID-19 case numbers seen in communities across the country.