Answer:
Virus transmission is affected by a number of factors, including environmental determinants, host behavior, host defense mechanisms, and virus infectivity.
Explanation:
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The most likely diagnosis following the above listed symptoms is hemorrhoids.
<h3>What are hemorrhoids?</h3>
Hemorrhoids is defined as a disease that occur due to inflammation of the vein at the rectum. The inflammation at the rectal region is due to:
- Straining during bowel movements.
- Sitting for long periods of time on the toilet and
- Having chronic diarrhea or constipation.
Therefore, the likely diagnosis is hemorrhoids.
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There are fewer antifungal, anti protozoan, and antihelminthic drugs compared to antibacterial drugs because these cells can be similar to human cells and therefore they can not achieve selective toxicity.
<h3>What is drug selective toxicity?</h3>
The expression 'drug selective toxicity' makes reference to the ability of a specific medication to discriminate between cells of different organisms (in this case human cells and other types of eukaryotic cells).
Drug selective toxicity is a fundamental issue during drug discovery and drug development.
In conclusion, there are fewer antifungal, anti protozoan, and antihelminthic drugs compared to antibacterial drugs because these cells can be similar to human cells and therefore they can not achieve selective toxicity.
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