HALIFAX -- A second case of COVID-19 has been identified aboard a Royal Canadian Navy frigate that docked in Halifax Monday after returning from a six-month deployment on the Mediterranean Sea. The Royal Canadian Navy said today in a news release the second infection on the HMCS Halifax is the only other case identified, adding that the remaining crew of more than 237 people have tested negative and are being sent home. They will be required to isolate for a minimum of seven days and will need to be tested two more times. The two crew members who tested positive will remain in isolation for the next two weeks at military accommodations.