Biological, computer and memetic viruses in Sci-Fi...

Biological, War of the Worlds:
https://en.wikipedia.org/wiki/The_War_of_the_Worlds

Computer, Independence Day:
https://en.wikipedia.org/wiki/Independence_Day_(1996_film)

Memetic, Sicak Kafa - Hot Skull:
https://www.imdb.com/title/tt11988676/