https://www.selleckchem.com/pr....oducts/protoporphyri
Timeliness of vaccinations is rarely part of monitoring in a routine immunization program. We reviewed infant immunization and conducted caregiver interviews in three regions in the Philippines from January to October 2016. We randomly selected thirty public health centers, one for each region. We defined timeliness of the receipt of antigen as within 4 weeks after the recommended age at vaccination. We assessed a total of 986 infants for timeliness of vaccination. The median age of receipt of vaccine was at 2.7 weeks (BCG), 1
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