It is possible and even likely IMO (at least for respiratory viruses). Look up the “transmission-virulence tradeoff hypothesis” for more info: https://pubmed.n

It is possible and even likely IMO (at least for respiratory viruses). Look up the “transmission-virulence tradeoff hypothesis” for more info: https://pubmed.ncbi.nlm.nih.gov/30734920/ https://pubmed.ncbi.nlm.nih.gov/30734920/ The “Russian flu” in 1890 may have been the first introduction of the common cold coronavirus OC43: https://en.m.wikipedia.org/wiki/1889–1890_pandemic https://en.m.wikipedia.org/wiki/1889–1890_pandemic https://www.ncbi.nlm.nih.gov/pmc/articles/PMC544107/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC544107/ Also, keep in mind that stress and fear can be very bad for health: https://www.tandfonline.com/doi/abs/10.1080/09540261.2017.1357540?journalCode=iirp20 https://www.tandfonline.com/doi/abs/10.1080/09540261.2017.13... https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1447278/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1447278/