Vaccines designed to confer immunity against two or three diseases at the same time include a combination of diphtheria toxoid and pertussis vaccine (DP), a combination of diphtheria toxoid and pertussis vaccine plus tetanus toxoid (DPT), a combination of diphtheria toxoid and tetanus toxoid (DT), and a combination vaccine of measles, mumps, and rubella (MMR). Using a combination vaccine not only reduces the number of vaccinations, but also reduces the amount of each vaccination, as the synergistic effects of the individual vaccines can be expected. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
2~3種の病気に対して同時に免疫を与えるためにつくられたワクチン。ジフテリアトキソイドと百日咳ワクチンとを混合したもの (DP) ,これに破傷風トキソイドを加えたもの (DPT) ,ジフテリアトキソイドと破傷風トキソイドを混合したもの (DT) ,はしか (麻疹) ,おたふくかぜ,風疹の混合ワクチン (MMR) などがある。混合ワクチンを用いれば,接種回数を減らせるだけでなく,各ワクチンの相乗的な効果も期待できるので,1回の接種量を減量することもできる。
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