NorthJersey.comView CommentsPASSAIC — A private company, MedRite Urgent Care, has opened a COVID-19 antibody testing site in the city.At 154 Main Ave., MedRite is providing the service at no cost. People with or without insurance will be tested free of charge. Those with insurance will not be charged a copay. The antibody test determines only whether a person has been exposed to the virus and provides broader information on how many people have been infected. Some of them may not have displayed symptoms.A different test is needed to determine whether a person currently has...…NorthJersey.comView CommentsPASSAIC — A private company, MedRite Urgent Care, has opened a COVID-19 antibody testing site in the city.At 154 Main Ave., MedRite is providing the service at no cost. People with or without insurance will be tested free of charge. Those with insurance will not be charged a copay. The antibody test determines only whether a person has been exposed to the virus and provides broader information on how many people have been infected. Some of them may not have displayed symptoms.A different test is needed to determine whether a person currently has...WW…