today we are talking about seasonal diseases, and we are discussing this topic with academician vitaly zverev. we make a decision at the end of the epidemic season, that is, february, that is, everything ends, in february in march everything, well, as if these. respiratory diseases, including flu, producers have summer, yes, the whole, yes, so that by autumn, because you need to get vaccinated not when the flu has already started, but in advance, because at least 2 weeks, yes, you need at least, in fact , you need more, but it is believed that in 2 weeks , yes, immunity is already formed, this is august or when is it better, in principle it is best to do this in august, of course, that is , in advance. and i don’t know, i do this every year, i have a huge family, i have nine grandchildren, we always do this somewhere around the end of august, it turns out, before school, yes, we get together, and statistics in this case, well , people always have questions about statistics, well, about the effectiveness of the vaccine, about side effects, well, the flu vaccine has been around for a very long