Salutations,Please excuse the quality of my English, it is not my first language. Than YouIn the pandemic of 1918-192? a strange influenza virus behavior happened.At the end of October of 1918, doctors in;Mumbai, Shangai, Paris, London, New York, San Francisco, etc.. as can see in Medical records that the A H1N1 virus of that pandemic observed until then as a mild one, suddenly in all above city whithin few days became virulent and caused between 5o to 100 millions deaths, probably more. (600 000 deaths in U.S. alone).91 years later with our knowledge in Genetics, we are pondering on ''enshrine'' properties inside the virus that would, ubiquitously unfold a different genetic properties that our specie perceived as ''virulence''.One of the first path explored was of course the effects of generational replication.Ponderings came to the notion that maybe once a virus has been transmitted trough different hosts, after a certain quantity it then transformed itself to another level of virulence.But the ubiquity transformation of the virus in synchrone in different continents, Northern as Southern Hemisphere, in different climates ruled out the precisions of the notions of Reassortment, Drift, Recombination, etc..My question is,In a Solar minimum as we are now experiencing and all its real effects in Public Health, Agricultures are obvious.If I look at the Solar Minimum Effects on Earth, I need to learn about one additionnal factor wich is the effects of the positions of our Solar System Planets on our Solar Wind in a Solar Minimum.I think it is reasonnable to say that a global event such as a specifical event happening in our Solar System having molecular impact could be the source of such an instantenious effect globally.How was our Solar System in September, October, November 1918 ?Thank you very much for Hints and DirectionAchak