Mystery deepens over Zika infections

Researchers believe there are several other maladies to the disease beyond the obvious

Top Zika investigators now believe that the birth defect microcephaly and the paralyzing Guillain-Barre syndrome may be just the most obvious maladies caused by the mosquito-borne virus.

Fueling that suspicion are recent discoveries of serious brain and spinal cord infections - including encephalitis, meningitis and myelitis - in people exposed to Zika.