https://rubarunews.com/worlds-first-intranasal-covid-19-vaccine-incovak-released-worlds-first-intranasal-covid-19-vaccine-incovak-released/
विश्व के पहले इंट्रानेजल कोविड-19 टीका- इन्कोवैक जारी World's first intranasal COVID-19 vaccine - INCOVAK released