Overview
COVID-19 is a infectious disease that caused a pandemic in 2020. It is said it started in China. Sometimes on pixiv it gets tagged as COVID19.
For more details refer to the article COVID-19.
Related Articles
Coronavirus Covid Coronavirus Disease COVID-19 Pandemic
External Links
English
Japanese
新型コロナウイルス感染症 (2019年) - Wikipedia
SARS-CoV-2とは (サーズシーオーブイツーとは) [単語記事] - ニコニコ大百科 (NicoNico Encyclopedia)