๐๐ผ๐๐ถ๐ฑ โ๐๐ฎ๐ฐ๐ฐ๐ถ๐ป๐ฒ๐โ ๐ฎ๐ฟ๐ฒ ๐๐ผ๐๐ฎ๐น๐น๐ ๐๐ป๐ฝ๐ฟ๐ฒ๐ฐ๐ฒ๐ฑ๐ฒ๐ป๐๐ฒ๐ฑ. Before 2020 no successful vaccine against a human coronavirus had ever been developed. abc.net.au/news/health/20โฆ
Since then we have allegedly made 20 of them in 18 months.
Since then we have allegedly made 20 of them in 18 months.
Scientists have been trying to develop a SARS and MERS vaccine for years with little success. Some of the failed SARS vaccines actually caused hypersensitivity to the SARS virus. ncbi.nlm.nih.gov/pmc/articles/Pโฆ
Meaning that vaccinated mice could potentially get the disease more severely than unvaccinated mice. Another attempt caused liver damage in ferrets.
cidrap.umn.edu/news-perspectiโฆ
cidrap.umn.edu/news-perspectiโฆ
While traditional vaccines work by exposing the body to a weakened strain of the microorganism responsible for causing the disease, these new Covid vaccines are mRNA vaccines.
horizon-magazine.eu/article/five-tโฆ
horizon-magazine.eu/article/five-tโฆ
mRNA (messenger ribonucleic acid) vaccines theoretically work by injecting viral mRNA into the body, where it replicates inside your cells and encourages your body to recognise, and make antigens for, the โspike proteinsโ of the virus.
They have been the subject of research since the 1990s, but before 2020 no mRNA vaccine was ever approved for use. sitn.hms.harvard.edu/flash/2015/rnaโฆ
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