Universal Flu Vaccine - A vaccine that is effective against all forms of the influenza virus.⏎
Trachea - The main trunk of the network of tubes that carries air to and from the lungs, sometimes referred to as the “windpipe.”⏎
Urogenital Disease - Disease of the organs involved in the excretion of fluids and reproduction.⏎
Virus - An infectious agent that is only capable of replicating itself inside the living cells of other organisms.⏎