Yesterday and today I was battling two guys who think that viruses are fake, held my ground until one gave up and the other one switched to insults, then an act

Yesterday and today I was battling two guys who think that viruses are fake, held my ground until one gave up and the other one switched to insults, then an actual scientist showed up. It's annoying and really hard work to keep asking questions until they don't make sense anymore. The first one said viruses don't exist. 4 Million+ papers on google.scholar are completely dismissed as evidence. The second one say, viruses are just poison and can be treated as such. What I've noticed is a tendency to just replace the meaning of words itself. Like Virus means poison in greek, so that's what it is. The sources of their stuff are usually some anti-semitic right wing-websites, seemingly and it's the same thing that the left does with all that inclusive language.