An infection that does not and will not produce clinically evident impairment of normal functioning, such as the presence of the normal bacteria and yeasts in the gut, is not considered a disease ; by contrast, an infection that is asymptomatic during its incubation period, but expected to produce symptoms later, is usually considered a disease.

The incubation period is 30 to 100 days, although infection can be asymptomatic.

Japanese encephalitis has an incubation period of 5 to 15 days and the vast majority of infections are asymptomatic: only 1 in 250 infections develop into encephalitis.

Clinical effects from ingestion or inhalation of BZ appear after an asymptomatic or latent period that may be as little as 30 minutes, or as long as 20 hours ; the usual range is 0. 5 to 4 hours, with a mean of 2 hours.

The admonition to protect oneself first may be difficult when dealing with any intoxication involving a latent period, since initially asymptomatic exposure to health care providers may already have occurred during the same time frame in which patients were exposed.

non-contact training drills ( exercise, coordination, and cognitive load ). 5. full-contact practice. If post-concussion symptoms occur during this stepwise program, the patient should drop back to the previous asymptomatic level and try to progress again after a further 24 hour period of rest.

Some people may remain asymptomatic for a remarkably long period of time ; such as people with some forms of cancer.

In humans, HIV goes through a long latency period, during which the host is asymptomatic.

Seven episodes of bradycardia occurred during the monitoring period after administration of the first dose, and were asymptomatic in six of these cases.

Following the asymptomatic period of this disease, commons symptoms are headache, nausea, vomiting, abdominal pain.

AIDS in particular has a long asymptomatic period — during which time HIV ( the human immunodeficiency virus, which causes AIDS ) can replicate and the disease can be transmitted to others — followed by a symptomatic period, which leads rapidly to death unless treated.

Most gonoccocal infections are asymptomatic and self-resolving, and epidemic strains of the meningococcus may be carried in > 95 % of a population where systemic disease occurs at < 1 % prevalence.

In 95 % of cases only a primary, transient presence of viremia ( virus in the bloodstream ) occurs, and the poliovirus infection is asymptomatic.

* Christian Friedrich Nasse formulates Nasse's law: hemophilia occurs only in males and is transmitted by asymptomatic females.

It has been reported that asymptomatic colonization of the decidua occurs in up to 70 % of women at term using a DNA probe suggesting that the presence of micro-organism alone may be insufficient to initiate the infectious response.

A large burden of adult worms in the intestines promote symptoms such as nausea, heartburn, dyspepsia, and diarrhea from two to seven days after infection, while small worm burdens generally are asymptomatic.

Most of these hypoglycemic newborns are asymptomatic and have a normal blood glucose level within days.

Three to four days following infection, the virus is shed in the feces for up to three weeks, and the dog may remain an asymptomatic carrier and shed the virus periodically.

Roughly 88 % of people affected with AVM are asymptomatic ; often the malformation is discovered as part of an autopsy or during treatment of an unrelated disorder ( called in medicine " an incidental finding "); in rare cases its expansion or a micro-bleed from an AVM in the brain can cause epilepsy, deficit or pain.

Chagas disease is a growing problem in Europe, because the majority of cases with chronic infection are asymptomatic and because of migration from Latin America.

For example, dentists graduated from Israeli dental schools may recommend more often for the removal of asymptomatic impacted third molar ( wisdom teeth ) than dentists graduated from Latin American or Eastern European dental schools.

Symptoms in PID range from subclinical ( asymptomatic ) to severe.

The virus can cause persistent asymptomatic infection in approximately one-third of the adult population, based on viral shedding into the urine from the site of asymptomatic infection in the kidney.

The most famous asymptomatic carrier was Mary Mallon ( commonly known as " Typhoid Mary "), a young cook who was responsible for infecting at least 53 people with typhoid, three of whom died from the disease.

The pathobiology of atherosclerotic lesions is very complicated but generally, stable atherosclerotic plaques, which tend to be asymptomatic, are rich in extracellular matrix and smooth muscle cells, while, unstable plaques are rich in macrophages and foam cells and the extracellular matrix separating the lesion from the arterial lumen ( also known as the fibrous cap ) is usually weak and prone to rupture.

* Kidney: 25 percent develop signs of nephrotoxicity ranging from mild, asymptomatic azotemia ( increased serum creatinine and urea ) to irreversible renal failure.

This pathogenicity island is usually absent from H. pylori strains isolated from humans who are carriers of H. pylori, but remain asymptomatic.

The presentation of cardiac sarcoidosis can range from asymptomatic conduction abnormalities to fatal ventricular arrhythmia.

Patients with MGUS and asymptomatic myeloma who have renal dysfunction from unrelated causes such as diabetes or hypertension may have elevated β2M levels just from the renal dysfunction and cannot be considered as stage III myeloma.

C. difficile infection ( CDI ) can range in severity from asymptomatic to severe and life-threatening, especially among the elderly.

This is a tumor that is most often small and asymptomatic, and is derived from renal tubules.

In this study, the nineteen patients underwent vertebroplasty using a novel cannulated, fenestrated bone tap that resulted in no radiculopathy from cement extravasation and asymptomatic cement extravasation in only 7. 7 % of the patients ( 2 out of 26 treated vertebral fractures ).

While males typically experience severe symptoms, women can range from being asymptomatic to having severe symptoms.

Keratopathy may be the presenting feature in asymptomatic carriers, and must be differentiated from other causes of vortex keratopathy ( e. g. drug deposition in the cornea ).

Disorders of the genitourinary system includes a range of disorders from those that are asymptomatic to those that manifest an array of signs and symptoms.

In some cases there may be an asymptomatic phase following the initial symptoms which is then followed by more significant toxicity including kidney damage, liver damage, and neurological dysfunction including seizures and coma.

In some cases there may be an asymptomatic phase following the initial symptoms which is then followed by more significant toxicity including kidney damage, liver damage, and neurological dysfunction including seizures and coma.

Pulmonary contusion due to trauma is an example of a condition that can be asymptomatic with half of people showing no signs at the initial presentation since such symptoms can take time to develop.

The natural history of mitral stenosis secondary to rheumatic fever ( the most common cause ) is an asymptomatic latent phase following the initial episode of rheumatic fever.

This initial stage is fairly short and is followed by the asymptomatic stage.

The initial stages of HIV-positive are asymptomatic for periods usually exceeding one year.

The majority of low-grade slips are asymptomatic and do not progress past a patient ’ s initial presentation.