What type of virus is rabies?
Rabies virus belongs to the order Mononegavirales, viruses with a nonsegmented, negative-stranded RNA genomes. Within this group, viruses with a distinct “bullet” shape are classified in the Rhabdoviridae family, which includes at least three genera of animal viruses, Lyssavirus, Ephemerovirus, and Vesiculovirus.
What causes lyssavirus?
Lyssaviruses are a group of viruses that include Australian bat lyssavirus and rabies virus and can cause rabies infection in humans. Classical rabies is a disease of mammals that occurs in many parts of the world, but not in Australia. Rabies can sicken and kill the affected mammal.
Do all bats carry lyssavirus?
Surveys of wild bat populations have indicated less than one percent of bats carry ABLV. In sick and injured bats, around 7% have been found to carry the virus. ABLV is one of twelve types of lyssavirus which are found around the world.
What are the 3 stages of rabies?
There are three clinical phases of the disease:
- Prodromal phase – the onset of clinical rabies in man includes 2-4 days of prodromal.
- Excitation phase – the excitation phase begins gradually and may persist to death.
- Paralytic phase – hydrophobia, if present, disappears and swallowing becomes possible,
How many times has the Milwaukee protocol been used?
The Milwaukee protocol, a procedure reported to prevent death after the onset of rabies symptoms, has been performed over 26 times since its inception in 2004 but has only saved one life. Overwhelming failure has lead health officials to label the protocol a red herring.
What does rabies immune globulin do?
Human rabies immune globulin (HRIG) is administered only once, at the beginning of anti-rabies prophylaxis, to previously unvaccinated persons. This will provide immediate antibodies until the body can respond to the vaccine by actively producing antibodies of its own.
What are the 7 genotypes of bat lyssavirus?
The Lyssavirus genus includes seven genotypes: rabies virus (RABV, genotype 1), Lagos bat virus (genotype 2), Mokola virus (genotype 3), Duvenhage virus (genotype 4), European bat lyssavirus 1 (EBLV-1, genotype 5), European bat lyssavirus 2 (EBLV-2, genotype 6), and Australian bat lyssavirus (ABLV, genotype 7) ( 1, 2 ).
What are the three phylogeographic groups of Lyssavirus?
There are three phylogeographic groups of lyssaviruses: 1 -3. Rabies belongs to group 1, along with Aravan lyssavirus, Australian bat lyssavirus, Bokeloh bat lyssavirus, Duvenhage virus, European bat lyssavirus 1 and 2, Gannoruwa bat lyssavirus, Irkut lyssavirus and Khujand lyssavirus.
Is the Aravan virus part of the Lyssavirus genus?
The Aravan virus does not belong to any of the seven known genotypes of lyssaviruses, namely, rabies, Lagos bat, Mokola, and Duvenhage viruses and European bat lyssavirus 1, European bat lyssavirus 2, and Australian bat lyssavirus. Based on these data, we propose a new genotype for the Lyssavirus genus.
What are the genotypes of hepatitis C virus?
Hepatitis C Virus Genotypes. 1) Approximately 75% of Americans with HCV have genotype 1 of the virus (subtypes 1a or 1b), and 20-25% have genotypes 2 or 3, with small numbers of patients infected with genotypes 4, 5, or 6. ( 2) Most patients with HCV are found to have only one principal genotype, rather than multiple genotypes.