The word mononucleosis sends shivers down the spine of parents. “The Kissing Disease,” as it’s known, is passed through saliva, not necessarily by puckering up. Sharing water bottles, drinking cups, straws and utensils can easily spread the Esptein-Barr virus that causes mono. Symptoms include sore throat, fatigue and flu-like symptoms. If your child has these symptoms for more than one week, it’s time to see HealthFirst for testing.