Table 3.

Frequency of clinical manifestation of noninfluenza respiratory viral infections among older adults^a

	Fever	Headache	Nasal Congestion	Dyspnea	Wheezing	Cough	Sputum	Sore Throat	Myalgia	Fatigue	Hoarseness	Chest Pain
Influenza	+++	++++	+++	+++	++++	++	++++	++	++	+++	+++	++
Respiratory syncytial virus	++	+++	+++	+++	+++	+++	++++	++	++	++	+++	+
Human metapneumovirus	++	++	++	++++	+++	++	++++	++	++	++	+++	++
Parainfluenza virus	−	++	−	++	++	++	++	−	+	−	−	++
Rhinovirus	+	++	++	++	++	++	+++	++	+++	+	+++	++
Coronavirus	++	++	+++	+++	++	−	+++	−	++	++	++	−

Frequencies are shown with symbols; + = 0%–25%, ++ = 26%–50%, +++ = 51%–75%, ++++ = 76%–100%; − = Frequency unknown owing to insufficient data.

^aAdenovirus is excluded owing to the limited number of reports.

Data from Refs.4, 5, 13, 26, 27, 36, 44, 45, 46, 47, 101, 102, 103, 104, 105, 106