How are vaccines made quickly? Old vaccines make us immune to a germ by using a small part of it (called the antigen) or a weakened version of the germ 🦠🧹. With advancements in science technologies, πŸ–₯οΈπŸ¦ΎπŸ”¬ scientists can now get the instructions (genetic code/ mRNA) to make #antigens πŸ§¬πŸ”πŸ‘€and use those to make our body develop immunity πŸ‘ΎπŸ›‘οΈπŸ’ͺ🏾. While the BCG vaccine took 13 years to make in the early 1900s β³πŸ‘ΆπŸ½βž‘οΈπŸ§‘πŸ½, new processes can develop effective vaccines within months or a matter of weeks β²οΈπŸŽ‰. As a point of comparison, think about what the first mobile phone could do in 1973 πŸ§±πŸ‘‚πŸ½, and what smartphones are capable of today πŸ›°οΈπŸ“²πŸ‘‹πŸΎ
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