From The Economist on the occasion of the award of the Nobel Prize for Medicine to Katalin Karikó and Drew Weissman for their work that led to the development of the Covid-19 mRNA vaccines, a lovely short appreciation of vaccines.
The World Health Organisation (WHO) says that vaccines have saved more from death than any other medical invention. It is a hard claim to gainsay. Vaccines protect people from disease cheaply, reliably and in remarkable numbers. And their capacity to do so continues to grow. In 2021 the who approved a first vaccine against malaria; this week it approved a second.
Vaccines are not only immensely useful; they also embody something beautifully human in their combination of care and communication. Vaccines do not trick the immune system, as is sometimes said; they educate and train it. As a resource of good public health, they allow doctors to whisper words of warning into the cells of their patients. In an age short of trust, this intimacy between government policy and an individual's immune system is easily misconstrued as a threat. But vaccines are not conspiracies or tools of control: they are molecular loving-kindness.
The WHO says that vaccines currently prevent 4-5 million deaths per year. The CDC points to a paper that says that more than 50 million death can be prevented between 2021 and 2030. Vaccination is nothing short of a scientific miracle. (via eric topol)
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