Image of HIV-virus
COVID-19 is a good example of the transformation ability of viruses
The thing that makes viruses so difficult to win is their ability to change their genomes. When viruses are traveling through species, they are connecting the genetic material of those species to their genomes. And this means that the viruses are changing all the time.
This means that when some vaccine against one virus has been created, the new virus is coming from somewhere. There is no change to make the universal vaccine against viruses or even the vaccine, which gives long term protection against the viruses. That means that there are always new viruses, that require new vaccines.
Vaccines are the most effective tools against viruses because they are easier to create than the serums, which requires the immune cells of the infected person. The serum against viruses is created by using the bone marrow of the person, who is healed from the disease, and then the researchers hope, that the immune cells, what are created by that bone marrow will produce the serum. But that thing is far more difficult to make than vaccines.
The most effective way to create the vaccine is to destroy the genetic material of the viruses, and then inject the protein cores to the person. The genomes of the virus normally destroyed by using the UV-light. But the problem is that viruses have no own metabolism, and it's difficult that the genomes would be destroyed, and the core antigen of the virus must stay intact. The immune system would detect viruses by their cover antigens, and if those antigens are changed, the immune system cannot detect and react to the right virus.
Image and other sources:
https://visual-science.com/projects/hiv/illustrations/
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The next part of writing is meant for futuristic thought, so this kind of technology might be far away in the future.
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The image above: nano-robot can destroy genetic material by using UV-light. And that can turn viruses to vaccines
Nanomachines that use UV-light can turn every virus in the blood to the vaccine.
The nanotechnical solution against viruses would be simple. In the blood would swim small robots, which are capturing viruses. Then those robots will terminate the genetic material of the captured viruses.
The small nanomachine where is the UV-light can be implanted in the body of the person. The simplest model could be the nano-submarine, where is the chamber, where the virus is taken, and then the genome of the virus will be terminated by using some oscillating radiation.
The nanorobots would hunt the viruses from the blood of the user of that kind of system. Some models could look like small spiders, which are conducting the electromagnetic radiation in the viruses by using their jaws, where is the UV or some other radiation to the genetic material of the viruses.
After those nanorobots, what are using spectroscopes for detecting unknown DNA would find the unknown virus those robots can inject the UV-light in the virus for destroying the DNA, and that kind of system would be made vaccines in the human body by using the viruses, what are already slip in the body. But as I wrote before this kind of system will be far away in the future.
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