1. Zika Virus
wchv

2. ¿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.

3. It can also be transmitted:
From mother to child
Through sexual contact
Through blood transfusions

4. 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)

5. 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.

6. Diagnóstico Diferencial
Signs/ Symptoms
DENGUE
CHIKUNGUNYA
ZIKA
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
Source: Adaptado de Haltead, et al. A partir de la comunicación del Departamento del Servicio de Salud del Estado de Yap/Micronesia

7. Timeline Zika Virus Infection Mosquito Bite Infection Symptoms appear
Rash
Fever
Muscle pain
Joint pain
Headache
Virus leaves bloodstream
Cured
Serious complications
(~ 1/1000 people)
(~ 1 in 5 infected people)
3 – 12 days after bite
+ 5 days after initial symptoms
+ 3-7 days after initial symptoms
Day 0