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.
This is an update of an article originally published on November 24, 2020. New data is coming in on the efficacy of the various vaccines, and the Pfizer-BioNTech and Moderna vaccines are being distributed in the U.S. and other countries.
