Use Iframe to attach to your website or download it.
Here's the code:
<div><iframe height="350" src="https://widgets.dsgroupmedia.com/cov/" style=" border:none; margin:0; padding:0; overflow:hidden; z-index:999999;"></iframe></div>
For another country, you can change in index.php
$api_url = 'https://api.kawalcorona.com/indonesia/';
change "indonesia" to another country
date_default_timezone_set('Asia/Jakarta');
change your timezone