Read More Pharma Industry News GSK wins FDA approval to extend Arexvy RSV vaccine to at-risk adults aged 18 to 49, opening 21 million-strong US market FDA expands Arexvy approval to at-risk adults 18-49, opening 21M-strong US market. Read what this means for GSK, Pfizer, Moderna, and the RSV vaccine landscape. bySrinathMarch 15, 2026