A lot of people use Wikipedia as a source of information, so it is important that Wikipedia articles be accurate, informative, and up-to-date. I mainly edit articles about or related to viruses because I find them interesting, but I am not an expert on viruses so I may make mistakes at times.

Currently working on: hantavirus articles

User:Velayinosu/common.css
User:Velayinosu/common.js
XTools
Earwig's Copyvio Detector
PetScan
WP:VIRUS cleanup listing

Some cleanup stuff:
citation overkill
cite IUCN errors
CS1 maintenance
CS1 errors
CS1 properties
various taxonomy cleanup categories, including:
missing taxonbar, and
taxonbars desynced from Wikidata
taxonbars requiring a Wikidata item