What is Paramyxoviridae virus?
The Paramyxoviridae is a family of single-stranded RNA viruses known to cause different types of infections in vertebrates. Examples of these infections in humans include the measles virus, mumps virus, parainfluenza virus, and respiratory syncytial virus (RSV).
Why is paramyxovirus famous?
Pathogenic paramyxoviruses
A number of important human diseases are caused by paramyxoviruses. These include mumps, as well as measles, which caused around 733,000 deaths in 2000. The human parainfluenza viruses (HPIV) are the second most common causes of respiratory tract disease in infants and children.
How is Paramyxoviridae spread?
Paramyxoviruses can spread in multiple ways: through exhaled air, respiratory discharges, excrement, and even sometimes through eggs laid by sick birds. Virus is shed during almost every stage of infection, including when an individual is recovering.
What is paramyxovirus made of?
Paramyxoviridae virions are polymorphic structures composed of a helical nucleocapsid core surrounded by a lipid envelope with associated viral membrane proteins.
What is the shape of paramyxovirus?
Paramyxoviridae consist of a lipid bilayer envelope, a nucleocapsid, and a matrix protein. Virions are typically spherical in shape but can also be pleiomorphic or filamentous with a diameter measuring approximately 150-200 nm. The envelope has surface projections or glycoprotein spikes that are 8-12 nm in length.
What are the symptoms of paramyxovirus?
Some of the signs of PPMV1 infection include:
- lethargy.
- vomiting or regurgitation.
- green diarrhoea.
- twisting of the neck.
- circling.
- head flicking.
- laboured breathing.
- runny eyes and beak.
Where is paramyxovirus found?
Pathogenesis of paramyxovirus and respiratory syncytial virus infections. These viruses first infect the ciliated epithelial cells of the nose and throat. Infection may extend to the paranasal sinuses, the middle ear, and occasionally to the lower respiratory tract.
How can you prevent paramyxovirus?
You can help prevent the disease by: vaccinating your pigeons against the disease – talk to your vet for advice (if you run pigeons shows or races, you must ensure any bird taking part has been vaccinated) practising strict biosecurity on your premises.