Virus Disease Mod
This mod aims to draw attention to the pandemic issue and demonstrate the consequences of not maintaining social distancing.
When you leave your base, the chance of getting infected with a virus significantly increases. The risk level can be checked using a special probability testing item.

If infected, the character's health drops to 4 hit points, and other negative effects appear. The infection lasts for 20 in-game days. All parameters can be configured in the configuration file.
To reduce the risk of infection, you must regularly wash your hands. To wash your hands, you need to hold right-click on a cauldron filled with water.

German video review from LeKoopa:
The mod can be included in any modpack. Source code is available under Apache 2.0 license. Bug reports are accepted on GitHub.