A: The atomic mass of hydrogen is 1.00794 amu (atomic mass units). Its atomic number is 1, and hydrogen has one electron and one proton. This element is a gas... Full Answer > Filed Under: Atoms & Molecules.
Western equine encephalitis resembles EEE but is usually asymptomatic or mild in adults, with nonspecific signs of illness and few deaths. The symptoms usually appear abruptly and may include fever, headache, nausea, vomiting, anorexia and malaise. Many adults do not develop other symptoms.
Signs and symptoms. The Japanese encephalitis virus (JEV) has an incubation period of 2 to 15 days and the vast majority of infections are asymptomatic: only 1 in 250 infections develop into encephalitis. Severe rigors may mark the onset of this disease in humans.