caused by spirochete - Borrelia burgdorferi - transmitted by tick bite - tick of deer or mouse; most common arthropod-borne disease in US. Bulls eye rash
Lyme Disease symptoms
slow progression to chronic arthritis and neuromuscular symptoms.
Cure for Lyme Disease
long term doxycycline, amoxicillin
West Nile Disease
form of encephalitis caused by arbovirus
West Nile transmission
West Nile reservoirs
mammals, birds, reptiles
Treatment to west nile
Symptoms of west nile
flu-like of short duration;
~1% develop serious symptoms, encephalitis, long term disability or death
caused by filoviruses
Endemic in Africa; infects primates; mode of transmission unknown
virus causes breakdown of walls of blood capillaries; bleeding from mucous membranes and blood vessels, body orifices; extensive internal bleeding
None, mortality rate of 25 to 100%
caused by Lyssavirus - causes fatal encephalitis
Rabies furious form
causes agitation, disorientation, hyperactivitiy, seizures, pain in neck during swallowing and resultant hydrophobia... coma, respiratory and cardiac arrest, death
Rabies dumb form
paralysis, disorientation, nonresponsive...coma, respiratory and cardiac arrest, death
Wild mammals can spread virus through bites, scratches, inhaled droplets.
nearly always fatal but there are 8 vaccinations with human diploid cell vaccine; also clean wound thoroughly
caused by Avian Influenza A, Strains H5, H7, H9. Most cases in humans are strain H5.
How Bird flu spreads
passing bird-to-human in zoonotic transmission; contact with any tissue of infected birds could cause transmission
Bird Flu symptoms
may be typical of other influenza: fever, cough, sore throat, muscle aches; also may cause eye infections, pneumonia, severe respiratory diseases, death.
Bird flu cure
none so far but Antivirals mitigate symptoms; some resistance reported