Does yellow fever affect children differently than adults?

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In parts of Africa where the yellow fever virus exists, infants and children have a greater risk of disease because natural immunity increases with age. Infants less than six months of age are also vulnerable because they will not yet be vaccinated. Infants six to nine months may possibly get vaccinated, but because the vaccine uses a weakened but live version of the virus it is better to avoid taking children this age into yellow fever areas if possible. In South America, young men working in forested areas who are not vaccinated make up a large portion of infection cases due to a higher frequency of mosquito exposure. While younger people have an increased risk of infection, older individuals are more susceptible to complicated illness from yellow fever.

Continue Learning about Viral Infections

Viral Infections

Viral Infections

Viral infections like herpes simplex, respiratory syncytial virus (RSV), chicken pox and rotavirus are infections caused by a virus instead of a bacterium. Viral infections do not respond to antibiotics, but some specific viruses ...

like influenza A and B can be treated with certain antiviral medications. Most commonly, treatment for viral infections includes drinking lots of fluids, getting rest, eating well and letting the illness run its course.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.