The pathogen that causes measles is a virus known as the measles virus. It is a single-stranded, negative-sense, enveloped RNA virus classified in the genus Morbillivirus within the family Paramyxoviridae. This virus is highly contagious and spreads through respiratory droplets from coughing or sneezing by an infected person.
Key Characteristics of the Measles Virus
- It has a single-stranded, negative-sense RNA genome.
- It is enveloped, meaning it has a lipid membrane around it.
- It belongs to the genus Morbillivirus, family Paramyxoviridae.
- Humans are the only natural hosts for this virus.
- The virus infects immune cells and epithelial cells, spreading through respiratory secretions.
- It spreads very easily via airborne droplets and close personal contact.
In summary, the pathogen causing measles is a virus from the Morbillivirus genus, specifically the measles virus.
