関連ワード:  how long does a vaccine last in body    how long does a vaccine last in your body    how long does a shot last in your system    how long does covid vaccine last in body    how long does flu vaccine last in body    how long does tetanus vaccine last in body    how long does mrna vaccine last in body    how long does covishield vaccine last in body    how long does pfizer vaccine last in body    how long does mmr vaccine last in body