COVID-19 on Monday and said a total of 1,034 front-line health-care workers received their first dose of Pfizer-BioNTech vaccine.According to Public Health, the case is an individual in their 50s in Zone 3 (Fredericton region).“The case is a close contact of a known case and is self-isolating,” the province said.Public Health also announced that front-line health-care workers received their first dose of Pfizer-BioNTech vaccine at a clinic held at Moncton’s Dr.