A coronavirus vaccine dose being given in Jerusalem last month Maya Alleruzzo/AP/Shutterstock
AS A growing body of data suggests that vaccine-induced protection from covid-19 declines over time, many nations are gearing up to roll out a booster programme. Israel has already begun, while the US, France and Germany have all announced plans to begin rolling out third doses. Some other countries, including the UK, are holding back, with results from a key trial of third shots expected imminently.
The Joint Committee on Vaccination and Immunisation, which advises UK health departments, has been mulling …
