Sweans Technologies

<a href="https://schema.org/" rel="nofollow ugc">Schema</a> is referred to a structured data vocabulary defining actions, relationships and entities on the web. This is a code snippet helping search engines to understand the meaning of the subject matters (entities) on the Internet so as to provide the best user experience for the internet users. Search engines including Google is on the mission of building a more semantic web. These markups play a crucial role in effective internet communication.
<h3>What is COVID-19 Schema?</h3>
On 16th March 2020, Schema.org added coronavirus-related structured data types in version 7.0 due to the massive COVID- 19 outbreak. “CovidTestingFacility” is the significant structured data type introduced in this update. It represents both temporary and established testing facilities opened to handle the Coronavirus pandemic.
<h3>Essential Features</h3>
Covid Test Facility announcement 
School closure announcement because of Corona virus pandemic 
This is a standard schema.org implementation as a WordPress plugin and makes it easy to integrate your school or hospital website.
This schema type has been introduced recently. Search engines are still working on the usage of these snippets for the benefit of the public. Due to the severity of the pandemic it’s for sure that they will give more importance to the website with this snippets.
They can announce the launch of this service in their website and this will be shown in Google and Yahoo search results once that companies incorporate this schema in their search result.

WP COVID-19 Schema

WP COVID-19 Schema plugin adds a schema snippet in the WordPress websites of schools and hospitals to serve the specific purpose of announcements.

zeko3991

Wikidata References will add a new field to tags and categories for adding a Wikidata Item ID to which tags and categories terms will be associated to.
Also it will provide the site admin the option to add a link to those associated Wikidata items to the head metadata section, or to the tag/category archive title.
User will also have the option to frame tag and categories archive pages links into a Schema.org 
microformat.
This plugin was developed under the requisites of a Wikimedia phabricator request at 
<a href="https://phabricator.wikimedia.org/T138371" rel="nofollow ugc">https://phabricator.wikimedia.org/T138371</a>

Wikidata References for WordPress

Really liked this plugin. Useful. Doesn't add unnecessary taxonomies. Would be interested in seeing what other features it could add. Authors with Wikipedia pages or Wikidata entries could be linked as well from their profiles. 

One of the few plugins that seems to get the core idea really well.

Very excellent

Wikidata References is a plugin developed to help WordPress users to add associations among the tags and categories they use in this WordPress website …

WP COVID-19 Schema vs Wikidata References for WordPress