An intranasal quadruple variant vaccine approach using SARS-CoV-2 and influenza A: Delta, Omicron, H1N1and H3N2. - Singh, Revanth; Gulani, Mahek; Vijayanand, Sharon; Arte, Tanisha; Adediran, Emmanuel; Pasupuleti, Dedeepya; Patel, Parth; Ferguson, Amarae; Uddin, Mohammad; Zughaier, Susu M.; D'souza, Martin J. (International Journal of Pharmaceutics, 2025)