Further to the recent article on avian Flu outbreaks in France (https://afludiary.blogspot.com/2024/01/france-reports-avian-flu-outbreak-in.html), I've reproduced or cited below a few passages and snippets from recent and previous risk assessments related to mass vaccination against pandemic bird influenza in poultry. Please follow the provided links in the articles to read these scientific documents in their entirety. You will encounter terms such as 'asymptomatic transmission,' 'vaccine-escape variants,' 'immune selection pressure,' and 'faster molecular evolution and adaptation' (after the introduction of mass vaccination). Additionally, expressions like 'greater nonsynonymous divergence than other lineages' (after the introduction of mass vaccination) can be found. Note: The large-scale nonsynonymous divergence mentioned in some of these reports is attributed to what I previously described as