Prof. Akiko Iwasaki. (2022, January 27). Vaccines that reduce infection & disease are needed to combat the pandemic. Here, @tianyangmao @BenIsraelow et al. Describe our new mucosal booster strategy, Prime and Spike, to induce such immunity via nasal delivery of unadjuvanted spike vaccine 🧵 (1/) https://biorxiv.org/content/10.1101/2022.01.24.477597v1 https://t.co/bcB5MFph9F [Tweet]. @VirusesImmunity. https://twitter.com/VirusesImmunity/status/1486510697332842498

STAT. “Scientists Debate Potential Benefits of Intranasal Covid-19 Vaccines,” August 10, 2021. https://www.statnews.com/2021/08/10/covid-intranasal-vaccines/.