Active immunity is acquired from vaccinations or from infection against a pathogen. The next time you encounter the same pathogen your body has built memory against it and will be able to fight it...
Active immunity is acquired from vaccinations or from infection against a pathogen. The next time you encounter the same pathogen your body has built memory against it and will be able to fight it...
Passive immunity occurs when your body is provided with antibodies it did not itself develop, as with transfer of antibodies in breast milk. Active immunity occurs when the person has developed its...