The Technical Network for Strengthening Immunization Services

We are a global network of immunization professionals committed to strengthening immunization services by building relationships, sharing knowledge, coordinating activities, and aligning priorities and goals. Learn More.

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The phased replacement of oral polio vaccine (OPV) with inactivated polio vaccine (IPV) is expected to significantly complicate mass vaccination campaigns, which are an important component of the global polio eradication endgame strategy. To simplify mass vaccination with IPV, we developed microneedle patches that are easy to administer, have a small package size, generate no sharps waste and are inexpensive to manufacture. When administered to rhesus macaques, neutralizing antibody titers were equivalent among monkeys vaccinated using microneedle patches and conventional intramuscular injection for IPV types 1 and 2. Serologic response to IPV type 3 vaccination was weaker after microneedle patch vaccination compared to intramuscular injection; however, we suspect the administered type 3 dose was lower due to a flawed pre-production IPV type 3 analytical method. IPV vaccination using microneedle patches was well tolerated by the monkeys. We conclude that IPV vaccination using a microneedle patch is immunogenic in rhesus macaques and may offer a simpler method of IPV vaccination of people to facilitate polio eradication.

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TechNet members are immunization professionals working to improve immunization services in every country and at all levels from global policy formulation and national programme management all the way to service delivery at subnational levels.

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We are proud to work with many organizations and initiatives across the world in our efforts to help strengthen immunization services. We support the work of all immunization professionals, from both the public and private sector, from governments and international organizations to NGOs, academic institutions, companies and manufacturers. TechNet is a member of two global immunization partnerships:

Gavi Alliance’s immunization Supply Chain Steering Committee (iSC2)

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