Alberta health officials are flagging the circulation of a rare bacteria known as Haemophilus influenzae type b (Hib) among homeless adults living in Calgary. Advertisement AdvertisementAdvertisement AdvertisementIn 2022, an outbreak of Hib was reported on Vancouver Island, spreading among homeless populations as well as people who use drugs. According to the Alberta government, there have been eight cases of Hib in the Calgary zone in 2025. The memo acknowledges Hib remains relatively rare in Calgary, but the "uniqueness of the epidemiology of the strain" warrants awareness. Health Canada says in rarer, more severe cases, Hib can get into the blood and infect various organs.
Source: CBC News December 25, 2025 04:33 UTC