France’s vaccine volte face
France has become the first country in the world to recommend a different vaccine regime for those who have recovered from the virus. The country’s public health authority has recommended that people previously infected with Covid-19 only receive one jab, rather than two. The advice is based on preliminary data, including two studies from the United States, that show the combination of antibodies built up from having the virus, plus one jab, creates immunity that ‘is equal to or even exceeds’ having two vaccines. It wasn’t long ago that French ministers were publicly criticising the UK’s strategy It’s too early to definitively say whether France’s strategy will work. For one thing,