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Why are viruses difficult to target therapeutically?
Viruses use their host's metabolic enzymes and some viruses mutate very quickly so they can easily become resistant to drugs. Viruses are almost biologically inert until they infect a cell.
Are bacterial infections more susceptible to drugs than viruses?
Do you mean antibiotics, which only work on bacteria, or do you mean antiviral drugs, which only work on viruses. Not really, as bacteria are becoming very resistant to all antibiotics and some are becoming untreatable. Viruses mutate so rapidly that drugs become useless in time and more need be discovered.
How do antibiotics become resistant to antibacterial drugs?
By mutating
Causes of resurgence of malaria in India?
Malaria parasites become resistant to drugs used to treat them. Also the mosquitoes which carry the parasites also become resistant to insecticide drugs which are used to kill them. This process is occurring in malaria hotspots worldwide.
Why is it easier to make drugs that fight bacteria than viruses?
Viruses are constantly mutating which is why flu shots not always successful as they must predict which way the virus is going to evolve.
What is the superbug?
Super bugs are a class of viruses and bacteria that are resistant or immune to antibiotics. They are a growing concern because they are appearing faster than we can make drugs that can treat them.
How do microbes become resistant?
Microbes evolve. Those which are better able to survive the drugs that people use to kill them will be more likely to give rise to new generations of microbes. It works exactly the same way as any other form of evolutionary pressure.
What does the drug 3TC do against HIV?
The drug 3TC disrupts HIV proteins or enzyme known as "reverse transcriptase" that is involved in making new viruses, effectively reducing the amount of HIV in the body. You can learn more about 3TC online at the Wikipedia.
What type of chronic lung infection is resistant to drugs?
viral
What is mercer infection cure?
You are probably referring to methicillin resistant Staph aureus (MRSA) infection - an infection that is caused by the bacteria, Staph aureus, that has become resistant to most antibiotics. Yes I am but I asked what is it to define it mercer dease
Why is it important for physicians to have a clear understanding of evolution by natural selection?
Physicians prescribe drugs to the patients.But the pathogens have the propensity to evolve and become "super bugs"(so called because they are drug resistant).This could lead to a bad condition of the disease or might develop some rare form of disease.The common cause of the development of drug resistance is inappropriate dosage of drugs.In that case these drugs act as natural selection agents and could not kill the entire population of pathogens this could lead to the increase in frequency of those resistant forms of pathogens.So if a physican has a clear understanding of evolution by natural selection he will not be careless about the dosage of drugs
How does the HIV avoid the host antibiotics?
It has nothing to do with viruses unfortunately, and viruses are clever enough to escape from such drugs.
