advertisement advertisement advertisement The first two COVID vaccines approved in the U.S. both use first-of-a-kind technology called messenger RNA. Johnson & Johnson's new vaccine is different, and the technology it uses may have helped give it two advantages: It only requires a single dose, and it can be stored for months in a refrigerator instead of an ultra-cold freezer. advertisement advertisement All three vaccines are based on the genetic instructions for building the COVID spike protein, the part of the virus that invades human cells. The mRNA vaccines from Pfizer-BioNTech and Moderna inject a solution containing RNA into your arm, which instructs your body to begin making a harmless piece of the protein that then triggers the immune system so it can mount a strong response if you later encounter the actual virus. Johnson & Johnson's vaccine works in a similar way, but stores the genetic instructions in DNA instead. The gene is inserted in a modified cold virus called an adenovirus. The company used the same approach to make its new Ebola vaccine. Because DNA isn't as fragile as RNA, and the adenovirus around it provides extra protection, the Johnson & Johnson vaccine is sturdier than the other vaccines…. Read full this story
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This is how the Johnson & Johnson vaccine is different from Pfizer and Moderna’s shots have 359 words, post on www.fastcompany.com at March 1, 2021. This is cached page on Business Breaking News. If you want remove this page, please contact us.