<https://zeenews.india.com/hindi/india/video/watch-how-long-will-the-antibodies-made-against-covid-remain-present-in-the-body/913567#table-of-contents>
<http://schema.org/url>
<https://zeenews.india.com/hindi/world>
<https://zeenews.india.com/hindi/india/video/watch-how-long-will-the-antibodies-made-against-covid-remain-present-in-the-body/913567>