COVID-19 Firefox

Examine source code of COVID-19

Inspect and view changes in COVID-19 source codes across current and past versions
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manifest.json
{
  "manifest_version": 2,
  "name": "COVID-19",
  "description": "This extension will display content from the http://us-coronavirus.info",
  "version": "1.14",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "128": "usci.png"
  }
}

Best COVID-19 Alternatives

Here are some Firefox add-ons that are similar to COVID-19: