Google have provided business owners with the facility to add information about their Events, Offers or anything else – right in their Knowledge Panel, via their Google My Business profile.
A screenshot from the Google My Business App showing what Google Posts are available 
A screenshot from a Knowledge Panel showing how Google ‘Covid-19’ Posts are displayed on the default Overview tab
At the time of writing, there is a special ‘Covid 19’ Post which is more prominent than regular Posts. These Posts remain on a profile for in the region of two, unlike regular Posts which have a limited, one week shelf life.
Event Posts remain on a profile from the moment they’re published until the event has passed.
I’ll discuss a strategy to help you benefit from this excellent feature, paying specific attention to thoughts about what content o upload, how to create some winning templates and discuss the frequency with which they’ll loaded to your profile.