Question

There are more antibacterial drugs than antiviral drugs because
A. Bacterial diseases are intracellular
B. Viral diseases are intracellular
C. Virus are smaller than bacteria
D. Drugs can penetrate bacteria more effectively

Answer 1

The drug is a substance which when taken causes a change in the physiology or psychology of an organism. Inhalation, injection, smoking, swallowing, absorption by a skin patch, suppository or dissolution under the tongue may be the means of drug intake.

Complete answer: A type of medicine used primarily for the prevention of viral infections is antiviral medicines. Specific antivirals for specific viruses are used, much as antibiotics for bacteria. Unlike other antibiotics, instead of inhibiting their growth, antiviral drugs do not kill their target pathogen. It is hard to develop safe and efficient antiviral drugs since viruses need the cells of the host to replicate. This makes it hard to identify drug targets that will interact with the virus without damaging the cells of the host organism as well. There are more antibacterial drugs than antiviral drugs because
viral diseases are intracellular. Alexander Fleming, in 1928, discovered penicillin, the first antibiotic for natural products. He found that a diffusible extract formed by Penicillium moulds had antibacterial activity against Staphylococci. While Fleming conducted many in vitro studies, he did not test the extract against animal models and for several years, penicillin was only used as a local antiseptic. Penicillin, until the late 1930s, was still very hard to isolate and purify. Florey and Chain elucidated the penicillin structure in 1939, and they demonstrated that penicillin was active in mice against streptococcal infection in 1940.
Thus, option B is the correct answer.

Note: As a consequence of genetic selection, viruses are constantly evolving. Via mutation, they undergo minor genetic modifications and major genetic changes through recombination. The mutation happens as the viral genome contains a defect. Recombination happens as genetic material is shared by co infecting viruses, producing a novel virus.