PPSC Past Paper Junior Clerk in Punjab Public Service Commission 2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe flu is caused by influenza ____that infect the nose, throat, and lungs? Posted on May 5, 2021 by Rana TahirA. Vitamin B. Algae C. Bacteria D. VirusShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)