Sentences with phrase «asymptomatic infection of»

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.
a b c d e f g h i j k l m n o p q r s t u v w x y z