by Paul RICARD and Stuart WILLIAMS PARIS, France (AFP) — France on Friday said under 55s who received a first injection of the AstraZeneca Covid-19 vaccine should be given a second jab from a different producer, but the WHO warned there was not sufficient data to recommend the practice. France’s national health authority HAS last month said the AstraZeneca vaccine should only be given to those aged 55 and over because of reports of potentially […]