This article is part of a series of explainers on vaccine development and distribution. Learn more about vaccines – from how they work and how they’re made to ensuring safety and equitable access – in WHO’s Vaccines Explained series.
At least 200,000 ducks in France had been culled as of Tuesday amid an outbreak of bird flu and another 400,000 are expected to be culled as a preventive measure, the French agriculture ministry has confirmed to Euronews.