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.
Respiratory Syncytial Virus (RSV) Infection - Topic Overview. Respiratory syncytial virus infection, usually called RSV, is a lot like a bad cold. It causes the same symptoms. And like a cold, it is very common and very contagious. Most children have had it at least once by age 2. RSV is usually not something to worry about. But it can lead to pneumonia or other problems in some people, especially babies.