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who.int/emergencies/situations/influenza-a-(h1n1)-outbreak swine flu] occurred in in 2009 and 2010, and the influenza seasons ... is calculated as the percentage of the population vaccinated against flu during the previous 12 months. Data are collected from ...

of eggs for consumption (Figure 2), punctuated by the impact of avian flu in 2015 and 2019. Production on farms with more than 5 000 laying hens account for the overwhelming majority (85 % to 92 %) of egg production, even though only one out of ...