คืนค่าการตั้งค่าทั้งหมด
คุณแน่ใจว่าต้องการคืนค่าการตั้งค่าทั้งหมด ?
ลำดับตอนที่ #21 : Zika virus 'transmitted by sexual contact'
Zika has been sexually transmitted in Texas, CDC confirms
(CNN)Zika has been
sexually transmitted in Texas, the Centers for Disease Control and Prevention
said Tuesday. It is the first known case of the virus being locally acquired in the continental United States
in the current outbreak.
The
case, announced by Dallas County health
officials, involved a patient who had sex with someone who had
recently returned from Venezuela infected with the mosquito-borne virus.
In a statement to CNN, the CDC said it confirmed the test results showing Zika present in the blood of a "nontraveler in the continental United States." They stressed that there was no risk to a developing fetus in this instance.
Based
on that, the CDC says it will soon provide guidance on sexual transmission, with a "focus on the male
sexual partners of women who are or who may be pregnant."
Earlier
Tuesday, CDC Director Tom Frieden told CNN's Chief Medical Correspondent Sanjay
Gupta: "There have been isolated cases of spread through blood transfusion or sexual
contact and that's not very surprising. The virus is in the blood for about a
week. How long it would remain in the semen is something that needs to be studied and
we're working on that now."
Frieden
added that studies on sexual transmission are not easy studies to do, but the
CDC is continuing to explore that avenue of transmission. "What we know is
the vast majority
of spread is going to be from mosquitoes," Frieden added. "The bottom line is
mosquitoes are the real culprit
here."
The
CDC said it will provide more guidance as more information on sexual
transmission is learned, but in the meantime, "Sexual partners can protect
each other by using condoms to prevent spreading sexually transmitted
infections. People who have Zika virus infection can protect others by
preventing additional mosquito bites."
History of sexual transmission
Before
this case, there have been only two documented cases linking Zika to sex.
During the 2013 Zika outbreak in French Polynesia, semen and urine samples from a
44-year-old Tahitian man tested positive for Zika even when blood samples did
not. Five years before that,
in 2008, a Colorado microbiologist named Brian Foy contracted Zika after travel
to Senegal; his wife came down with the disease a few days later even though
she had not left northern Colorado and was not exposed to any mosquitoes carrying the virus.
In
addition, the CDC said there have been documented cases of virus transmission
during labor, blood transfusion and
laboratory exposure.
While Zika has been found in breast milk, it's not yet confirmed it can be
passed to a baby through nursing.
An emergency of international concern
Zika
is prompting worldwide concern because of an alarming
connection to a neurological birth disorder and the rapid spread of the virus
across the globe.
The
Zika virus, transmitted by the aggressive Aedes aegypti mosquito, has now
spread to at least 24 countries. The WHO estimates 3 million to 4 million
people across the Americas will be infected with the virus in the next year.
The Centers for Disease Control and Prevention is warning pregnant women
against travel to those areas; health officials in several of those countries
are telling female citizens to avoid becoming pregnant, in some cases for up to
two years.
The
virus is linked to an alarming spike in babies born with abnormally small heads -- a condition
called microcephaly -- in Brazil and French Polynesia.
Reports
of a serious neurological condition, called Guillain-Barre Syndrome, that can
lead to paralysis,
have also risen in areas where the virus has been reported. Health officials
have specifically seen clusters of this in El Salvador, Brazil and French
Polynesia, according to WHO's Dr. Bruce Aylward.
acquired (v.)
to get
something:
continental (n.)
one of the
seven large land masses on the earth's surface, surrounded, or mainly surrounded, by sea and usually consisting of various countries:
outbreak (n.)
a time when something suddenly begins,
especially a disease or
something else dangerous or unpleasant:
borne
carried or moved by a particular thing:
guidance (n.)
help and advice about how to do something or about how to deal with problems connected with your work,
education, or personal relationships
the process of directing the flight of a missile or rocket:
transmission,
the process of broadcasting something by radio,
television, etc., or something that is broadcast:
the process of passing something from one person or
place to another
transfusion (n.)
the process of adding an amount of blood to the body of a person or animal,
or the amount of blood itself
the act of putting a new quantity of something powerful, effective, or important into an organization, group,
or place:
semen
a thick,
whitish liquid containing sperm that is produced by the sex organs of men and some male animals
vast (adj.)
culprit (n.)
someone who has done something wrong:
a fact or situation that is the reason for something badhappening:
exposed (adj.)
having no protection from bad weather
exposure. (n.)
the fact of experiencing something or being affectedby it because of being in a particular situation or place:
prompting
the act of trying to make someone say something:
spike (n.)
a narrow, thin shape with a sharp point at one end, or something, especially a piece of metal, with this shape:
paralysis
(n.)
a condition in which you are unable to move all or part of your body because of illness or injury
ความคิดเห็น