Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever.

• 翻译：普通感冒患者的一些典型症状，如鼻塞、流鼻涕、喉咙发痒，发作比较缓慢，成人和青少年患者一般不会有发热症状。