IMMUNOLOGY

Detailed explanation-1: -Antibiotics DO NOT work on viruses, such as those that cause colds, flu, or COVID-19. Antibiotics also are not needed for many sinus infections and some ear infections. When antibiotics aren’t needed, they won’t help you, and the side effects could still cause harm.

Detailed explanation-2: -Since antibiotics don’t work on viruses, they won’t help Samantha feel better. Antibiotics are only needed for treating certain infections caused by bacteria, but even some bacterial infections get better without antibiotics. Antibiotics aren’t needed for many sinus infections and some ear infections.

Detailed explanation-3: -Antibiotics damage the cell wall of living organisms leading to their death. The viruses do not have a cell wall. Antibiotics are produced by bacteria and fungi that treat bacterial infections, not viral infections because viruses use host cells to perform their activities. So, they cannot kill viruses.