A new Weill Cornell Medicine and Oregon Health & Science University co-authored study provides critical insight for the development of a vaccine that can more effectively block the spread of cytomegalovirus, or CMV, across the placenta to babies before they are born.
CMV is one of the most common viruses and most people don’t even know they’ve been infected. However, it carries significant risks to the developing fetus, including lifelong health complications such as hearing loss, developmental delays and neurological impairment. An effective vaccine would help protect babies from future health impacts.
The new study, published March 12 in Science Translational Medicine, finds that CMV lacking a certain viral protein complex – thought to be a critical vaccine target to prevent cross-placental spread – can still be transmitted and cause significant harm to the developing fetus. These results strongly suggest that additional vaccine targets providing superior protection need to be identified and explored.