English physician Edward Jenner developed the first vaccine more than 200 years ago to protect against smallpox. It was needle-free, involving arm-to-arm inoculation with the vaccinia virus.
State governments are rolling out a needle-free vaccine in time for this year’s flu season. Here’s who can access the nasal spray.
English physician Edward Jenner developed the first vaccine more than 200 years ago to protect against smallpox. It was needle-free, involving arm-to-arm inoculation with the vaccinia virus.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results