https://sarkarsatta.com/%e0%a4%b0%e0%a4%be%e0%a4%b7%e0%a5%8d%e0%a4%9f%e0%a5%8d%e0%a4%b0%e0%a5%80%e0%a4%af/corona-tablet-vaccine-covid-vaccine-be-taken-as-a-pill-or-nasal-spray-says-scientist-27041/