1 Rotavirus is the leading cause of gastroenteritis among children 3 to 15 months old. 2  Most children have been exposed to the virus by age 2. Children with rotavirus have vomiting and watery diarrhea for 3 to 8 days, along with fever and abdominal pain. Symptoms of rotavirus infection appear 1 to 2 days after exposure. 2  In the United States, rotavirus infections are most common from November to April. 3  Adenovirus serotypes 40 and 41 cause gastroenteritis mainly in children younger than 2 years old.
A capnograph is a device that measures the concentration of CO2 in exhaled air. It is used to monitor patient status for different types of illnesses. The device graphs partial pressure of CO2 vs. Time.
Oscillograph definition, a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves. See more. Dictionary.com