Lassa fever + dengue Flashcards
what is it lassa
rna virus
epidemiology lassa
west africa occurs between Nigeria and Senegal
family lassa
from the arena virus
symptoms lassa
gradual as along the class of VHF , only arena virusss have a gradual onset
starts with a flu like, sore throat, fever, chills, headache
severe: facial and neck swelling and conjunctival edema pleural effusions/pneumonitis
tx lassa
ribavirin may reduce mortality by 10 x if started early (within 6 days of onset) - treat for 10 days
anti lassa fever plasma as an adjunct in very ill patients?
IP
around 10 days
prophylaxis of Lassa fever
close up pots and pan don’t let rats near them, wear goggles, high efficiency masks
how is the disease spread lassa
by rats mastomys natalensis
or human to human via bodily fluids
what’s important to note about Lassa fever
its spread is important in hospital setting
how is dengue spread
mosquito and the same mosquito than can pass on yellow. fever too Aedes Egypti + another one cba
family of dengue
flavivirus
epi of dengue fever
tropics and subtropics like the carribean and south east axis , latin America
IP dengue
3- 14 days
phases of dengue
febrile stage - flue like symptoms, mP RASH , hepatomegaly etc
critical phase- not everyone goes through this
recovery - can develop a new rash
prevention dengue
there isa vaccination but unfortunately you may not be protected but it will reduce your symptoms and length of infection
Don’t give mosquitoes places to breed. They lay their eggs in water. So get rid of standing water in things like wading pools and gutters. Change the water in birdbaths, dog bowls, and flower vases every few days.