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Last Updated: COVID-19: What Is MRNA Vaccine And How Does It Work? Watch Explainer Video mRNA vaccines perform a crucial task in the bodies of the receiver, that is to instruct the cells to target the ‘spike protein’, researchers at Harvard explain. Pfizer/BioNTech and Moderna have developed an entirely new type of vaccine based on mRNA [Messenger RNA vaccines] to combat the coronavirus. A UK-based university, with the help of a two-minute-long video, has explained how the mRNA vaccine targets the immune system to eliminate COVID-19. The coronavirus vaccines, when injected in the upper arm sends the mRNA into the bloodstream. The virus makes copies of itself by entering into the healthy host cells using protein spike structures that are made out of RNA and DNA. The mRNA from the vaccine contains the synthetic version of the RNA that tricks the immune system that the virus is present, thereby accelerating the anti-body-making process. 

Harvard th chanHarvard universityUnited kingdom basedBarry bloomMassachusetts modernaCo vidCovid vaccineCoronavirus vaccineCovid toll in ukஹார்வர்ட் வது சான்ஹார்வர்ட் பல்கலைக்கழகம்ஒன்றுபட்டது கிஂக்டம் அடிப்படையிலானதுபாரி பூக்கும்மாசசூசெட்ஸ் மாடர்னாஇணை வித்