‘Cavalry is coming’, says Dr Fauci, as cases soar in US

File Picture of a syringe Picture: Andrew Matthews/PA

With a Covid-19 vaccine drawing closer, public health officials across the US are gearing up for the biggest vaccination effort in history.

It is a monumental undertaking that must distribute hundreds of millions of doses, prioritise who is first in line and ensure that people who get the initial shot return for the necessary second one.