It might not always take years to develop vaccines ...Middle East

A patient gets a swine flu vaccine through a jet injector in 1976. (CDC/)Before vaccines, physicians would blow smallpox scabs up people’s noses or stab them with pus-laced needles to build up their resistance to the virus. It usually worked: Patients would feed mildly ill, then grow immune. But because the pathogen was still living inside them, they could spread it to others.By the 1930s, medical researchers had figured out how to breed harmless forms of bugs to stuff inside sterilized injections. Since then, vaccines have saved tens of millions of lives, but the pace of development can be glacial. Over the past century, it’s taken an average of 25 years to create a “dead” virus that can pr

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