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If you login to Google My Business, click on Posts, you have a new option to write a post specific with COVID-19 information about your business. Google said on Twitter "COVID-19 update posts will appear at the top of your business profile in local search."
When you login and go to Google Posts, you will see a new button for COVID-19 update:
Then when you post it, it will label that as a COVID-19 update so you know:
And on the search results page, Google also labels it as COVID-19 related:
For more details, see this help document.
Forum discussion at Twitter.
