coronavirus vaccine while some health workers could face delays amid impending shortages of additional doses.Anthony Di Monte, the head of Ottawa’s vaccine distribution task force, said Wednesday that long-term care residents are prioritized to receive their second dose of the Pfizer-BioNTech vaccine within 21-27 days after receiving their initial jab.Some health-care workers who have already received an initial dose could have to wait closer to 42 days before getting a second injection, Di Monte said, depending on the final allocations provided by the province.The city’s vaccine task force has to prioritize due to an impending shortfall of vaccines.