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| 1. |
iinDHow do vaccines works in our body?ASWhat are the diff |
| Answer» <p>Vaccinesare like a training course for the immune system. They prepare thebodyto fight disease without exposing it to disease symptoms. When foreign invaders such as bacteria or viruses enter thebody, immune cells called lymphocytes respond by producing antibodies, which are protein molecules.</p><p>Afteryou have beenvaccinated, someof thecells that are responsible for protectingyouagainst disease —yourB lymphocytes — detecttheantigensin the vaccine.TheB lymphocytes will react as ifthereal infectious organism was invadingyour body.</p> | |