What is the primary goal of vaccine economics? Group of answer choices Maximizing pharmaceutical company profits Reducing healthcare costs Increasing vaccine costs Expanding vaccine distribution inequitiesInfectious disease mortality from 1970-2015 has decreased by about: Group of answer choices 30-50% in developing countries 30-50% in developed countries 75% in developed countries 75% in developing countries 70% globally (there is more than one answer)Infectious disease mortality from 1970-2015 has decreased by about: Group of answer choices 30-50% in developing countries 30-50% in developed countries 75% in developed countries 75% in developing countries 70% globally (there is more than one answer)