Nine emergency responders in Portsmouth are in self-isolation after they were potentially exposed to coronavirus while on the job, officials say. Portsmouth officials confirmed that the nine emergency workers were potentially exposed to COVID-19 while working a call for service on Tuesday. The workers are in self-isolation at home. A Portsmouth Fire Rescue and Emergency Services official said that all of the city’s fire companies and apparatus’ are staffed and in service. The Portsmouth Professional Firefighters and Paramedics Association posted about the 2-week quarantine of the emergency responders on Facebook. The association wrote, “Our Department’s staffing is already at a dangerous level.