https://www.selleckchem.com/pr....oducts/abbv-2222.htm 
  y high in Korean adults, particularly among elderly people, even after a high uptake of pediatric PCVs. To achieve Measles and Rubella elimination and Polio Endgame goals, Tanzania implemented country-wide integrated Supplementary Immunization Activities (SIAs) in October 2019 involving two injectable vaccines of MR and IPV. The SIAs targeted children aged between 9 and 59months for Measles-Rubella and 18 to 42months for IPV vaccines. This article aims to share lessons learnt in the implementation of SIAs field guidelines in Tanzania