BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Final Answer: Measles is the disease not caused by a bacteria.

Detailed explanation-2: -Final answer: Influenza is a viral infection and it is not caused by bacteria.

Detailed explanation-3: -Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs.

Detailed explanation-4: -Influenza is a viral illness that can cause many of the same symptoms but also is frequently accompanied by intense body aches and higher fever. Unlike upper respiratory infections, the flu’s duration–if detected within the first 48 hours of illness–can be shortened by antiviral medication.