The phrase "exhibit symptoms" means showing signs or experiencing physical or mental changes that indicate the presence of an illness or condition. Full definition
Some accident victims do not exhibit symptoms of an injury until the next day, or many days after a crash. (doane-law.com)
They will likely also exhibit symptoms such as lethargy and this can occur as a result of eating too many sugary foods. (healthguidance.org)
Cats do not exhibit symptoms with this infection, so, it is not possible to predict which bites and scratches may lead to cat scratch fever. (riverbarkvet.com)