This Covid-19 vaccine is expected to enter Phase 3 testing next week. It uses messenger RNA, which are cells used to build proteins — in this case, the proteins that are needed to build the coronavirus' spike protein.
The World Health Organization says there are 25 potential coronavirus vaccines in clinical trials internationally.Here in the United States, the government has put its money behind several different vaccine candidates through Operation Warp Speed.
The vaccine uses messenger RNA , which are cells used to build proteins -- in this case, the proteins that are needed to build the coronavirus' spike protein, which the virus uses to attach itself to and infect human cells. Once the immune system learns to recognize this target -- thanks to the vaccine -- it can mount a response faster than if it encountered the virus for the first time due to an infection.
Graham: I think if people really understood the biological basis of vaccines and how they work -- to see that it's not magical or mysterious, that there's actually a rationale and very specific understanding right down to the angstrom level of the structure of what we're trying to do to make an immune response that could help protect you -- I really hope that by trying to explain some of this and for people to start understanding the biology of vaccines, that it will make them less...
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