Potential infection or
asymptomatic infection of humans must be evaluated as soon as possible because duck consumption in Asia, especially in China, is extremely heavy.
Not exact matches
The reason doctors get concerned about
asymptomatic urinary tract
infections in pregnant women is that there is a high risk
of such
infections developing into serious and symptomatic kidney
infections (pyelonephritis).
The long - term persistence
of CD8αα + T cells where initial
infection occurs may explain why patients have
asymptomatic recurrences
of genital herpes because these cells constantly recognize and eliminate the virus, according to Jia Zhu, Ph.D., corresponding author, research assistant professor in Laboratory Medicine at the University
of Washington and an affiliate investigator in the Fred Hutch Vaccine and Infectious Disease Division.
About 1 percent
of all infants in the U.S. are born with
asymptomatic infections.
It is also possible that WNV caused
infections that were
asymptomatic, as occurs in approx. 80 %
of cases, or that remained undetected including neuro - invasive cases,» Tsakris says.
Juan Bonifacino's lab at the National Institute
of Child Health and Human Development, for one, had discovered the role a certain protein plays as
asymptomatic infection progresses to AIDS but testing
of a new class
of potential HIV medications had to be stopped due to the shutdown.
Comparing the magnitude and characteristics
of WNV - specific CD4 + T cell response in individuals
of similar ages with either neuroinvasive disease or
asymptomatic infection, the researchers found that, independent
of age, individuals with neuroinvasive disease had higher numbers
of WNV - specific CD4 + T cells.
The team will now analyze examples
of norovirus
infection within the families
of the symptomatic carriers, and use this data to identify the virus factors and host factors that are key in converting the norovirus
infection from
asymptomatic individuals to symptomatic
infections.
This suggests that
asymptomatic infection is a source
of norovirus outbreaks, and sheds light on the transmission mode
of the virus.
The red circles represent infants with apparent symptoms
of congenital
infection (symptomatic
infection), and yellow circles represent infected infants without apparent symptoms (
asymptomatic infection).
As a natural host
of influenza A viruses (including H5N1), the duck is known to often remain
asymptomatic under influenza
infection.
One group had a previous
asymptomatic infection that had resolved before scientists performed a second round
of infection.
Undiagnosed Ebola virus
infection was probably very rare in international workers who were deployed during the 2013 - 2015 outbreak
of the virus in West Africa, despite mild and
asymptomatic cases
of Ebola being known to occur, according to new research published in the journal PLOS Medicine.
We know a small number
of international health workers were infected with the virus but we thought it was possible that some
infections had been missed, as we know
asymptomatic or unrecognised
infections can occur.
The symptoms range widely: over half
of the
infections are thought to be
asymptomatic, the majority
of children who get sick have only a mild fever, and a very small proportion get inflammation
of the heart or brain.
Of these, only 12 percent reported having HSV lesions before pregnancy or during the first trimester, a likely indication that most
infections were
asymptomatic.
But he also cautioned that only the most serious
infections may have been caught until now; there may be many milder cases, or
asymptomatic ones, like that
of a 4 - year - old boy identified in Beijing last week.
This may be explained by our finding
of a high rate
of subclinical
infection by TMAdV in
asymptomatic titi monkeys (35 %), but may also be due to separate introductions
of TMAdV into the colony from an as - yet unidentified reservoir.
In the two decades following the epidemic, wild canids died following CDV
infection but fatal CDV was not observed in lions or spotted hyenas anymore, even though high prevalence
of serum antibodies against CDV in some years indicated outbreaks
of asymptomatic exposure to the virus in lions and hyenas.
Venn diagram showing ultrasound and PCR test findings for 22 infants with congenital CMV
infection The red circles represent infants with apparent symptoms
of congenital
infection (symptomatic
infection), and yellow circles represent infected infants without apparent symptoms (
asymptomatic infection).
While Ebola virus disease (EVD) is notorious for being one
of the world's most deadly
infections, it actually has a wide range
of outcomes, where
asymptomatic presentation may be as common as fatality.
One such
infection is West Nile virus, which is an emerging virus that is
asymptomatic in 80 %
of infections.1 However, the incident
of severe
infection is raised by 20 % in the over 60s, as discussed by Montgomery in this CEI review.
In Cohort 2, the third dose was not given to 5 children due to: hepatitis B
infection in one child, hepatitis A
infections in 3 children and a new
asymptomatic systolic heart murmur in another child, further assessments
of whom uncovered no evidence
of cardiac disease.
A unique feature
of typhoid
infection is
asymptomatic carriage within the gallbladder, which is linked with S Typhi transmission.
The CDC's guidance recommends Zika virus testing for all women with possible exposure during pregnancy, regardless
of symptoms.16 The findings that there were similar proportions with birth defects among those with symptomatic and
asymptomatic maternal
infections supports the importance
of screening all pregnant women for Zika virus exposure and testing in accordance with CDC guidance.
«Ongoing surveillance is needed to determine the risk for sexual transmission
of Zika virus
infection from
asymptomatic persons,» the researchers write.
•
Asymptomatic inflammatory prostatitis is the diagnosis given when the patient does not complain
of pain or discomfort but has
infection - fighting cells in his prostate fluid and semen.
«Many women with genitourinary tract
infection may be
asymptomatic, and yet be at risk
of severe complications.»
Cats carry ringworm on their fur more frequently than dogs and are typically
asymptomatic; dogs will almost always show signs
of the
infection, such as raised, circular lesions and hair loss.
Clinical evolution and radiographic findings
of feline heartworm
infection in
asymptomatic cats.
Feline heartworm (Dirofilaria immitis)
infection: a statistical elaboration
of the duration
of the
infection and life expectancy in
asymptomatic cats.
During the second stage
of infection, the cat is often completely
asymptomatic for many years.
Most dogs remain
asymptomatic and only experience mild forms
of the
infection, but some dogs can develop a severe disease; which can cause the dogs to experience lower respiratory tract
infections.
The Merck Veterinary Manual says: «The antigen detection test is the preferred diagnostic method for
asymptomatic dogs or when seeking verification
of a suspected HW
infection.»
With some types
of parasitic
infection, dogs can be
asymptomatic.
Many dogs that live in areas with a high incidence
of lyme
infections, test positive for the disease, but do not show any canine lyme disease symptoms (
asymptomatic).
Otherwise, once the initial
infection passes, the animal will be
asymptomatic, though still capable
of passing the disease.
Kramer L, Genchi C. (2002) Feline heartworm
infection: serological survey
of asymptomatic cats living in northern Italy.
Most dogs with parvo virus
infection may appear
asymptomatic (showing no canine parvo symptoms), but when stressed (e.g. boarding, running, pining, and grief etc.), the stress itself may trigger clinical features
of the disease.
However, while this changes the concept
of whether or not to TREAT
asymptomatic Lyme
infection, it does not change my view on whether or not the vaccine is a good one.
They can cause a range
of diseases, from a mild almost
asymptomatic infection, to life - threatening pneumonia.
It also has several potentially fatal complications and the capability to cause persistent
infections in populations
of asymptomatic carrier horses.
Treatment (s) which is incurred by an Insured Person (s) who is HIV Positive (i.e., infected with the human immunodeficiency virus, the cause
of acquired immunodeficiency syndrome) at the time
of Application for this Insurance, whether or not the Insured Person (s) was
asymptomatic or symptomatic or had knowledge
of his / her HIV status on the initial Effective Date
of Coverage, or any associated diagnostic tests or charges for HIV
infection, seropositivity to the AIDS virus, AIDS related Illness (es), ARC Syndrome, AIDS, and all diseases caused by and / or related to HIV;
About half
of carriers are
asymptomatic, while those who experience symptoms usually do so one to three weeks after
infection.
Because chlamydia is so often
asymptomatic — half
of men with chlamydia have no symptoms — it can be easy for an
infection to spread undetected.