Prior Zika virus infection increases risk of severe dengue disease

A new study finds that people who have antibodies to the mosquito-borne Zika virus are more vulnerable to developing dengue disease. This immune interaction, called antibody-dependent enhancement, could complicate the search for a safe and effective vaccine that protects against Zika without also increasing the risk of dengue.

from Health & Medicine News -- ScienceDaily https://ift.tt/31DIWHh