COVID-19 vaccine supply will not be sufficient for everyone aged 50 or older living in “hot spot” neighbourhoods to book an appointment through the provincial system on Friday.The Ontario government earlier this week unveiled a list of neighbourhoods dubbed high priorities for COVID-19 vaccinations, which in Ottawa includes postal codes starting with K1T, K1V and K2V.But Ottawa’s vaccine distribution task force had already been limiting the number of vaccine appointments it had open for booking up until April 30, given the constrained supply of vaccine doses flowing into the city.The city is warning that some people who are now eligible to book a vaccine could be disappointed.“There is not enough vaccine supply to allow everyone aged 50 and.