Ross River Virus

Question 1

What is the genus of Ross River virus

Answer 1

Alphavirus (species=Ross River virus)

Question 2

What type of pathogen is it (RRV)

Answer 2

Virus

Question 3

Structural features of virus

Answer 3

Non-cellular/“living”
Protein coat/capsid
Nucleic acid or DNA or RNA
Can only replicate using a host cell

Question 4

How is it transmitted (RRV)

Answer 4

Vector, specifically mosquitoes (over 30 species) indirect

Question 5

Ross river Virus life cycle

Answer 5

Virus found in a mosquito, mosquito bites host, virus transferred to host, virus replicates in host, another mosquito bites infected host and uptakes virus

Question 6

Viral life cycle

Answer 6

1 Attachment- virus recognises and binds to a host cell via a receptor molecule on cell surface
2 Entry- virus or genetic material enters cell
3 Genome replication and gene expression- viral genome copied and genes expressed making viral proteins
4 assembly- new viral particles are assembled from viral genome and proteins
5 release- completed viral particles exit cell and can infect others

Question 7

Can it infect other animals? (RRV)

Answer 7

Yes, there are animals called reserves which can be infected