Neowin - Google Investigating Issues With Covid-19 Tracking Apps That Use Exposure Notifications Api [Update]
COVID-19 exposure tracking apps like the one for NHS are currently facing issues that cause constant notifications and slowdowns. Google has acknowledged the problem and is looking into it.
https://www.neowin.net/news/google-investigating-issues-with-covid-19-tracking-apps-that-use-exposure-notifications-api