this should get you through March :) ...

The Seventh Seal (1957) https://www.imdb.com/title/tt0050976/

The Last Man on Earth (1964) https://www.imdb.com/title/tt0058700/

The Omega Man (1971) https://www.imdb.com/title/tt0067525/

The Andromeda Strain (1971) https://www.imdb.com/title/tt0066769/

Dawn of the Dead (1978) https://www.imdb.com/title/tt0077402/

Outbreak (1995) https://www.imdb.com/title/tt0114069/

12 Monkeys (1995) https://www.imdb.com/title/tt0114746/

Cabin Fever (2002) https://www.imdb.com/title/tt0303816/

Resident Evil (2002) https://www.imdb.com/title/tt0120804/

28 Days Later (2003) https://www.imdb.com/title/tt0289043/

Children of Men (2006) https://www.imdb.com/title/tt0206634/

28 Weeks Later (2007) https://www.imdb.com/title/tt0463854/

I Am Legend (2007) https://www.imdb.com/title/tt0480249/

Blindness (2008) https://www.imdb.com/title/tt0861689/

Carriers (2009) https://www.imdb.com/title/tt0806203/

Daybreakers (2009) https://www.imdb.com/title/tt0433362/

Black Death (2010) https://www.imdb.com/title/tt1181791/

Contagion (2011) https://www.imdb.com/title/tt1598778/

Maze Runner: The Death Cure (2011) https://www.imdb.com/title/tt4500922/

World War Z (2013) https://www.imdb.com/title/tt0816711/

Maggie (2015) https://www.imdb.com/title/tt1881002/

Train to Busan (2016) https://www.imdb.com/title/tt5700672/

The Girl With All The Gifts (2016) https://www.imdb.com/title/tt4547056/

93 Days (2016) https://www.imdb.com/title/tt5305246/

Cargo (2017) https://www.imdb.com/title/tt3860916/

It Comes At Night (2017) https://www.imdb.com/title/tt4695012/

Rabid (2019) https://www.imdb.com/title/tt5628902/

The Hot Zone (2019) https://www.imdb.com/title/tt4131818/

edit: There is actually a Wikipedia page for the genre (duh!): https://en.wikipedia.org/wiki/Category:Films_about_viral_out...