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Why are so many doses needed for each Vaccine?

Queen of 2 playful Kayumanggi

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I remember parang sinabi ng isang doctor before bumaba yung antibodies pagtagal kaya need din booster shots para tumaas ulit yung immunity. Ang dali din kasi natin ma-expose sa sobrang daming viruses and bacteria kaya impt din to get those boosters ma.

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