Discussions about all aspects of vaccinations become heated in many locales at the start of autumn each year. Worthwhile? Necessary? Sensible? Effective? The right pathogens this year? There are many questions that concern researchers and manufacturers along with society and government. Look a bit further and you are quickly confronted with matters of efficiency, manufacturing costs, and access in developing countries for example, where vaccines are desperately needed but in some instances too expensive.
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