Not always. It can be a weakened version, or a dead version, or even only part of a virus. Live (weakened) versions are a bad idea for people with compromised immune systems, because they can cause a full-blown infection. Target population is 60+ (though approved for 50+)
Do you know what a lot of old people have? Weakened immune systems.
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NotWearingPants ago
Not always. It can be a weakened version, or a dead version, or even only part of a virus. Live (weakened) versions are a bad idea for people with compromised immune systems, because they can cause a full-blown infection. Target population is 60+ (though approved for 50+)
Do you know what a lot of old people have? Weakened immune systems.