Gestational syphilis, Sexual Transmitted Infection, Syphilis, Under-registration
Communicable diseases, Leprosy, Inequality, Socioeconomic factors, Social housing
Zinc, COVID-19, sex characteristics, critical care, hypertension, lymphopenia
low birth weight (LBW), small for gestational age (SGA), large for gestational age (LGA), food deserts, and maternal-infant health