Apple has announced that only developers from specific credible entities can publish apps pertaining to the COVID-19 pandemic on the App Store. This is being done to curb the spread of misinformation and provide users access to reliable sources. Eligible developers can also chose to get their app approved faster than the conventional App Store approval process.
https://www.notebookcheck.net/Apple-extremely-wary-about-COVID-19-apps-on-the-App-Store.457549.0.html