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Zika Virus
wchv
¿How is the Zika virus spread?
The virus is transmitted by the bite of an
infected mosquito of the genus Aedes ,
the same mosquito that transmits dengue,
Chikungunya fever and Yellow Fever.
It can also be transmitted:
From mother to child
Through sexual contact
Through blood transfusions
Suspicious cases
 Pacient that presents maculo-papular rash and displays
at least one of the following symptoms:
 Fever, generally <101°F (38.5°C)
 Conjunctivitis (red eye inflammation, not the contagious
purulent pus-kind like pinkeye)
 Arthralgia(joint pain)
 Myalgia (muscle pain)
 Peri articular swelling (joint swelling)
This is especially true:
 In cases where, in the the two weeks before symptoms
appeared, the person was either living in or traveling to
an area with incidences of local Zika transmission.
 In cases where, in the two weeks before symptoms
appeared, the person had unprotected sexual contact
with someone who, in the previous 8 weeks, also had
sexual contact with someone living or traveling in an
area with known local transmission of the virus.
Diagnóstico Diferencial
Signs/ Symptoms
Fever
Muscle/Joint pain
Swelling of extremeties
Rash (maculopapular)
Headache, esp behind
eyes
Conjunctivitis (red eye)
Swollen lymph nodes
Liver enlargement
Decreased platelets/white
blood cells
Hemorrhaging
DENGUE
CHIKUNGUNYA
ZIKA
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Source: Adaptado de Haltead, et al. A partir de la comunicación del
Departamento del Servicio de Salud del Estado de Yap/Micronesia
Timeline
Zika Virus Infection
Mosquito
Bite
Infection
Symptoms
appear
Rash
Fever
Muscle
pain
Joint pain
Headach
e
Virus leaves
bloodstream
Cured
Serious
complications
(~ 1/1000 people)
(~ 1 in 5 infected people)
Day 0
3 – 12 days
after bite
+ 5 days after
initial
symptoms
+ 3-7 days
after initial
symptoms