1. Tshewang Dorji Tamang
  2. Service delivery
  3. Friday, 01 May 2020


IN  incase of  lockdown due to COVID -19 pandamic, if immunization services  is  temporarily deferred up to one month . My qurries  is if  2nd dose Pentvalent or OPV  is given  after 2 to 3  months later is there any changes in the vaccine  efficacy  or not. Please help to clarify  on this.

Accepted Answer Pending Moderation

No. For most vaccines the main thing to respect is the minimum age and minimum interval between doses, longer intervals don't affect penta, OPV.

You can read all the WHO Vaccine Position Papers here: https://www.who.int/immunization/documents/positionpapers/en/  You can also see the intervals here: https://www.who.int/immunization/policy/immunization_tables/en/

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