COVID 19 Chipped Vaccine Shots How Do it Work Exactly

They say both of the vaccines expected to be released soon in the U.S. are mRNA vaccines. They use strands of laboratory-made mRNA to trigger an immune response in your body. After you get vaccinated, your immune system will be able to make antibodies, or specialized proteins, that can fight off the novel coronavirus that causes COVID-19. Pfizer’s vaccine is known in the research literature as BNT162b2. Because its ingredients break down quickly, it has to be stored at -80℃ (-112 ℉), and then thawed and mixed with saline (salt water) shortly before it is given to patients.  Salt water works better than plain water for injections. This vaccine uses a common type of saline called phosphate buffer solution, or PBS. PBS will be familiar to people who work in biomedical research. It is often used in vaccines, medications, and solutions containing living cells.                                                                                                                                                                                                                                                   It holds the pH and salt levels of the mixture close to that of our bodies, so the injection will be more comfortable when people receive it  Moderna’s vaccine is known as mRNA-1273 in the scientific literature. It can be held at regular freezer temperatures for up to 6 months, making it easier than the Pfizer vaccine to ship and store. It also doesn’t need to be diluted right before it’s given. This vaccine also has mRNA that contains the genetic code for the SARS-CoV2 spike protein. Like the Pfizer vaccine, it uses the original virus’ genome as a template, but the mRNA in the two vaccines is slightly different. Each company made tiny changes to the genetic sequence of the mRNA they used so the vaccines would produce a stronger immune response. Moderna’s mRNA is also produced in laboratory equipment instead of in live cells.

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