17 votes

Why is post exposure vaccines given for some diseases & why does it work?

A vaccine essentially simulates an infection so that our body produces antibodies against it & thus helps when we actually get infected in the future. Sometimes and sometimes not. That's a good ...
anongoodnurse's user avatar
8 votes

After a dog bite, why are vaccines given in multiple injections rather than a single injection containing multiple vaccines?

Brief background There are 2 major types of vaccines, passive and active vaccines. Passive vaccines are simply "antibodies" to fight off disease and active vaccines are "dead/weakened/...
kit's user avatar
  • 828
3 votes

If you get once vaccinated against tetanus, will you get protected eternally?

One vaccination alone will not protect you for life, but as for the childhood vaccination programs: The recommendations depend on your country. In the US, adults need 1 booster shot of the Td vaccine (...
Chris Rogers's user avatar
  • 6,166

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