Special Alert : Zika Virus Info For Seniors
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Special Alert:
Zika Virus Info For
Seniors:
The virus was first spotted in the
Americas in 2014.
The mosquito-borne
Zika virus has spread quickly in the last two years through the
Pacific Islands and
South America. Although there have been no reported deaths from the illness, a spate of recent outbreaks is cause for concern.
Why is it called Zika virus?
Because it was first found in the
Zika forest in
Uganda.
Earlier this fall, after
Colombia reported its first cases of
Zika virus infection, the
World Health Organization recommended countries in
North and South America step up efforts to identify and track the virus.
Cases have been reported in the
Yucatan in
Mexico and the
Caribbean.
Doctors in
Brazil are trying to determine if the virus may be linked to a spike in the number of babies with a congenital brain deformity called microcephaly.
What is the Zika Virus?
Zika virus infection can cause
Zika fever - an illness often accompanied by rash, fever, joint pain and conjunctivitis.
It is spread by the same mosquito species that carries the dengue and chikunguna viruses.
Severe illness happens less often with Zika infections than with dengue infections, but "while Zika virus infections have been recognized for some time, large outbreaks have only been recognized within the last decade and we are still trying to understand the full spectrum of illness," says
Susan Hills of the Severe illness happens less often with Zika infections than with dengue infections, but "while Zika virus infections have been recognized for some time, large outbreaks have only been recognized within the last decade and we are still trying to understand the full spectrum of illness," says Susan Hills of the
Center for Disease Control's
Division of Vector-Borne
Diseases.
Where Did It Come From?
After it was first described in
1952, Zika virus sporadically infected people in
Africa and parts of
South and
Southeast Asia.
Just 14 cases were reported in about 50 years.
Then, in
2005, Zika virus was spotted for the first time outside Africa and
Asia on Yap, an island in the
Western Pacific Ocean.
The virus subsequently spread to other island nations in the
Pacific, and eventually landed in the Americas on
Easter Island in
Chile in early 2014.
Brazil reported Zika virus infections in May
2015 and since then, health authorities there have found the virus in 14 different states.
In October,
Columbia reported its first cases and last week, the virus was reported in
Yucatan, Mexico, and in the Caribbean.
No cases have been reported in the
United States, and although there are Aedes mosquitoes in parts of the country, the likelihood of a future outbreak is low.
How is it spread?
Zika virus is primarily spread by several different species of Aedes mosquitoes.
There have been reports of Zika virus being spread prenatally, from mother to infant either during birth or soon afterwards.
The virus can be spread sexually, too, though only one case of sexual transmission has been documented.
Mosquitoes, however, are by far the major avenue of spread and the focus of prevention strategies.
What are the symptoms?
Only one in five people infected with Zika virus experience symptoms.
Those who do get ill usually report fever, rash, joint pain and conjunctivitis, and sometimes headaches, muscle pain and vomiting.
The illness lasts about a week. Cases severe enough to require hospitalization are rare and no deaths have been reported, but the virus has been linked to some alarming complications.
During a
French Polynesian outbreak in
2013, a few people developed Guillan-Barre
Syndrome after Zika virus infection and Brazilian authorities are investigating if the virus causes microcephaly in fetuses of infected pregnant women.
Babies with the defect are born with underdeveloped brains.
Health authorities are still investigating Zika's role in both conditions.
Treatment and cure?
There is no treatment for Zika virus infection.
Painkillers and fever reducers help manage the symptoms until the infection clears, usually in about a week.
How do we stop it?
Prevent mosquitoes from breeding in standing water near dwellings, promote the use of window screens and bed nets and encourage people to wear long sleeves and pants.
Our source: Susan Hills of the Center for Disease Control's Division of Vector-Borne Diseases.
Please share this information with everyone you know.
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