Definition of diversify for English Language Learners. : 1  to change (something) so that it has more different kinds of people or things. : 2  to produce or sell more kinds of products : to increase the variety of goods or services produced or offered by (someone or something)
Respiratory syncytial virus (RSV) Respiratory syncytial virus (RSV) is a very common virus that leads to mild, cold-like symptoms in adults and older healthy children. It can be more serious in young babies, especially those in certain high-risk groups. RSV is the most common germ that causes lung and airway infections in infants and young children. Most infants have had this infection by age 2. Outbreaks of RSV infections most often begin in the fall and run into the spring.
The respiratory syncytial virus (RSV), discovered in 1956, is capable of causing a broad spectrum of illnesses. Older children and adults will commonly experience a bad cold  lasting one to two weeks. Fever, nasal congestion, and cough are their most common complaints.espiratory syncytial virus (RSV) infection facts. 1  RSV is a highly contagious virus infection that most commonly causes illness during the winter season. 2  Most children who develop an RSV infection have mild symptoms of fever, nasal congestion, and nasal discharge.