viruses are not contagious... https://www.bmj.com/rapid-response/2011/10/30/peter-flegg-grossly-misrepresented-stefan-lanka-out-context. Dr Lanka went to germanys supreme court to prove no isolate for measles virus.

lots of videos online germ theory v terrain..

'spanish flu' was actually rockefellers experimental vaccine derived from horses causing bacterial pneumonia according to autopsies done at the time.. he killed more soldiers than the war..military kept quiet about it. he also vaxxed the people.

at that time stringent testings and scientific experiments proved it was not possible to 'catch' a disease.

see The Bernician The deception of virology..