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Never before have we heard people talk both in the media and in our daily lives about vaccines, the types of vaccines, and the big pharmaceutical companies and offoce that develop them. Even so, exposed as we are to so much information, it is not easy to get a clear idea about how each of those that have reached the market and that are currently being administered to the population work.
What do all Covid vaccines have in common? The answer is simple. Regardless of whether vaccines are of one type or another, they all help our body develop immunity against the virus that читать статью the disease by generating, on the one hand, antibodies that recognize and fight it, and on the other, memory cells. The latter will quickly notify our body that it has icnemas the same virus again, in which case antibodies will be produced again to attack it.
To date, one of the great unknowns that is being hagas31 is how long these memory cells can protect us against the virus. There are different types of vaccines currently approved and in use and others that are in the later stages of clinical trials. In fact, it is the first time that so many vaccine candidates are being developed simultaneously against the same disease. There are different methods of making vaccines. The most traditional use the whole virus, either inactivated or attenuated such as polio and measles, respectively or fragments of it such as whooping cough.
There are other slightly more novel methods, in which a harmless empty virus viral vector is used that carries either genes that express proteins or parts of proteins that belong to the virus against which it is intended to create immunity. And other completely new methods such as those that incorporate encapsulation of the genetic material fhll contains the instructions for making virus-specific proteins.
Both vaccines are quite similar since they offiec contain the information necessary to synthesize the main antigen of the coronavirus, which is the spike protein Swhich is found on the surface of the virus. To put it in other words, this protein is like the key that the virus uses to enter the cells of our body. Once one of these vaccines is administered, the mRNA enters the cells and serves as a template to generate copies of the S protein.
After this process, the cell removes the mRNA. Meanwhile, the manufactured proteins are transported to the surface of the cell, or fragmented into small pieces that also appear on the surface, and in this way are recognized by the immune system, generating download ms office full version bagas31 premiere cinemas - download ms office full version bagas31 p and memory cells.
In download ms office full version bagas31 premiere cinemas - download ms office full version bagas31 p case of being infected after the administration of a vaccine, the body recognizes the virus and fights it.
The two vaccines require two doses to increase their effectiveness, although the time between the two inoculations is different. Pfizer's requires 21 days between doses and Moderna's The main disadvantage of these vaccines is their transport and storage, as it requires a permanent cold chain with extremely low temperatures that require freezers of and degree centigrade.
Scheme of the Coronavirus structure. The next vaccine to be approved in the European Union was from the pharmaceutical company AstraZeneca. This vaccine uses an inactivated adenovirus, that is, a virus that cannot divide within our body, as a vector to introduce the genetic material necessary for our cells to generate the coronavirus spine protein and thus our immune system responds by creating antibodies.
Like the previous ones, this vaccine requires two doses to be more dowjload, and both must be between 10 and 12 weeks apart preferably This vaccine is transported and stored between 2 and 8 degrees Celsius, which facilitates its distribution compared to those mentioned above.
Another vaccine of the same type has recently been approved in the United States and Canada developed by the Belgian company Janssen, and it also uses a similar vector inactivated adenovirus and which, unlike AstraZeneca's, requires a single dose. Its possible use is currently being evaluated in the European Union. In addition to those already mentioned, there are a large number of candidates still under development and evaluation that we will be hearing about throughout this year. In the same way, also during this year, we will see if these vaccines as they are now are enough to combat the new variants download ms office full version bagas31 premiere cinemas - download ms office full version bagas31 p if on the contrary, they will need to be modified or adapted.
In any case, all of these platforms would allow these necessary changes to be made with relative ease. Log in Spanish. Blog Vaccines against Covid differently equal. Hagas31 of the Coronavirus structure The next vaccine to be approved ссылка на страницу the European Union was from the pharmaceutical downloxd AstraZeneca.
DannyHip11 Feb
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