Paramyxovirus

Paramyxovirus is a family of viruses, known as Paramyxoviridae, that includes several important human and animal pathogens. These viruses are responsible for a wide range of diseases, including measles, mumps, and respiratory syncytial virus (RSV) infections.

Structure and Classification

Paramyxoviruses are enveloped, non-segmented, negative-strand RNA viruses. They are classified into two subfamilies: Paramyxovirinae and Pneumovirinae. The Paramyxovirinae subfamily includes the genera Respirovirus, Morbillivirus, Henipavirus, and Rubulavirus, among others. The Pneumovirinae subfamily includes the genera Pneumovirus and Metapneumovirus.

Pathogenesis and Clinical Features

Paramyxoviruses cause a variety of diseases in humans and animals. For example, the Morbillivirus genus includes the measles virus, which causes measles in humans. The Respirovirus genus includes the human parainfluenza viruses, which cause respiratory illnesses in humans. The Henipavirus genus includes the Nipah virus and Hendra virus, which cause severe disease in humans and animals.

Diagnosis and Treatment

Diagnosis of paramyxovirus infections is typically based on clinical symptoms and can be confirmed by laboratory testing. Treatment is primarily supportive, as there are currently no antiviral drugs approved for the treatment of paramyxovirus infections. However, vaccines are available for some paramyxoviruses, such as the measles and mumps viruses.

Prevention and Control

Prevention of paramyxovirus infections is primarily through vaccination. For example, the MMR vaccine provides protection against measles, mumps, and rubella. In addition, good hygiene practices, such as hand washing and avoiding close contact with sick individuals, can help prevent the spread of these viruses.

See Also

• Measles
• Mumps
• Respiratory syncytial virus
• Nipah virus
• Hendra virus