See, I don't knowifthatfallsundertheinternationalclassificationofdiseasesthat I'vestudied.
我不知道這是否屬於我所研究的國際疾病分類。
Abnormalgrowthsinthehumanbodyneedtobeinvestigatedbecauseanytimeyouhaveunusualabnormalgrowths, thatmeansthere's somekindofcellulardivisionhappeningandthatcouldbe a signofcancer.
Sothereasonwegiveboostersisbecausewhenyougive a regularvaccine, theimmunesystemhas a levelofresponse, andsomerequiremultipledosesinordertokeepthatresponseuportocreate a lastingresponse.