They did not, as there were not enough vaccines for the whole population or even for the 80% of it, which was the initial goal. They ended up vaccinating a small percentage of the population, but it was effective because they used a strategy called ring vaccination.
They did not, as there were not enough vaccines for the whole population or even for the 80% of it, which was the initial goal. They ended up vaccinating a small percentage of the population, but it was effective because they used a strategy called ring vaccination.