Once a host is infected with S. stercoralis, infection is lifelong unless effective treatment eliminates all adult parasites and migrating autoinfective larvae.

Once the acute symptoms of an initial infection disappear, they often do not return.

Once the virus's initial lytic infection is brought under control, EBV latently persists in the individual's B cells for the rest of the individual's life.

Once formed, the ulcer may be maintained by inflammation and / or secondary infection.

Once the virus containing head of the lesion has been destroyed, the infection is gone.

Once they have received the appropriate signals, it takes them about thirty minutes to leave the blood and reach the site of an infection.

Once an episode of chickenpox has resolved, the virus is not eliminated from the body but can go on to cause shingles — an illness with very different symptoms — often many years after the initial infection.

Once neutrophils have received the appropriate signals, it takes them about thirty minutes to leave the blood and reach the site of an infection.

Once the virus has entered the cat, there are six stages to a FeLV infection:

Once the amoeba enters the brain, it causes a usually fatal infection called Primary Amoebic Meningoencephalitis ( PAM ).

Once infected, the female tick can transmit the infection to her offspring, in a process known as transovarial transmission.

Once in the host gut, Necator tends to cause a prolonged infection, generally 1 – 5 years ( many die within a year or two of infecting ), though some adult worms have been recorded to live for 15 years or more.

Once the leishmania infection has been eliminated and leishmania antigens are gone, CD8 + T suppressor cells down-regulate CD4 + T helper cells.

Once the infection is stopped the seizures will stop.

Once done, he and Mary went again to Cortina to ski: for the second time she broke her ankle and he contracted an eye infection.

Once the bacteria reach the left side of the heart and enter the systemic circulation, the result may be to seed organs such as the liver and spleen with said infection.

Once infection takes place, different methods are available to control the disease.

Once again the Mossberg Targo outfit has appeared, but this time as a bolt-action rifle-shotgun combination.

Once she has made up her mind, the queen starts out by constructing, in her chosen abode, a small `` floor '' of dried grass or some woolly material.

Once he has been identified, however, a new melody is used to accompany his narrative, a bleak motif with barren octaves creating a rather ancient effect:

Once again what has happened is an all-consuming confabulation of the incidentals, the accidents of painting.

Once a predator has sampled one of these, it is likely to remember the colouration next time it encounters a similar animal.

Once the screen has been cleared of all asteroids and flying saucers, a new set of large asteroids appears.

Once he has received this blessing, the abbot not only becomes father of his monks in a spiritual sense, but their major superior under canon law, and has the additional authority to confer the ministries of acolyte and lector ( formerly, he could confer the minor orders, which are not sacraments, that these ministries have replaced ).

Once a node has been found in a balanced tree, the next or previous nodes can be explored in amortized constant time.

Once it has come to rest, the jack is aligned to the centre of the rink and the players take turns to roll their bowls from the mat towards the jack and thereby build up the " head ".

Once the first bowl has taken place, the other side has the opportunity to bowl.

Once a beaver has sounded the alarm, nearby beavers will dive and may not reemerge for some time.

Once the expander has reached an acceptable size, it may be removed and replaced with a more permanent implant.

Once one copy of a document has been produced, printing further copies is often quicker by means of a device called a " thermoform ", which produces copies on soft plastic.

Once published by BSI a PAS has all the functionality of a British Standard for the purposes of creating schemes such as management systems and product benchmarks as well as codes of practice.

Once a prototype has passed the tests at a certification lab, and that model is being constructed under the control of a certified quality system, the device is entitled to bear a CE mark, indicating that the device is believed to be safe and reliable when used as directed.

Once an idea has been reduced to tangible form, for example by securing it in a fixed medium ( such as a drawing, sheet music, photograph, a videotape, or a computer file ), the copyright holder is entitled to enforce his or her exclusive rights.

Once the term of a copyright has expired, the formerly copyrighted work enters the public domain and may be freely used or exploited by anyone.

Once the software has loaded, the computer is able to execute the software.

Once this islands were covered with savanna on the plains and arid shrubland on the mountainsides, but over 500 years of human habtitation, since colonisation by the Portuguese in the 15th century, nearly all the original vegetation has been cleared by widespread agriculture including the grazing of goats, sheep and cattle and the planting of imported crop species.

Once labelled by Rolling Stone as " the most controversial woman in the history of rock ", Love's sometimes outrageous behavior has given her a lasting place in pop culture, as well as a polarizing reputation in the media.

Once the virus has infected the cell, it will start replicating itself, using the mechanisms of the infected host cell.

Once the desired change in values has been brought about, the victim is expected to conform spontaneously, without any need for further coercion.

Once the ray either encounters a light source, or more probably once a set limiting number of bounces has been evaluated, then the surface illumination at that final point is evaluated using techniques described above, and the changes along the way through the various bounces evaluated to estimate a value observed at the point of view.

Once deglaciation was complete, uplift slowed to about 2. 5 cm / year, and decreased exponentially after that.

Once many of the hemlock trees were taken out, and tanning practices changed, the tannery closed and Stony Creek's population decreased significantly and has remained at lower levels since then.

Once their energy has decreased to thermal level, they diffuse randomly away from the source and are ultimately absorbed by a nucleus.

: Once the button is pressed, the level is automatically decreased by the motor-driven attenuator and increased when the button is not pushed.

Once accumulated fluid is more than 300 ml, there are usually detectable clinical signs in the patient, such as decreased movement of the chest on the affected side, stony dullness to percussion over the fluid, diminished breath sounds on the affected side, decreased vocal resonance and fremitus ( though this is an inconsistent and unreliable sign ), and pleural friction rub.

Once a major center of opium poppy production in Afghanistan, the province had reportedly decreased its production of poppy by up to 95 % in 2005, one of the success stories of the Afghan eradication program.

Once the Buccaneers began to build a winning team in the late 1990s, along with a new look and stadium, blackouts decreased and sellouts increased, thus increasing the number of games shown on WTVT ( however, all home games in 2010 were blacked out, after a 3-13 season in 2009, and despite improving in 2010 to 10-6, just short of a playoff berth ; in 2011, all five of the Bucs Sunday afternoon home games were blacked out as the team finished 4-12 ending the season on a 10-game losing streak ).

Once the player has finished Circle of the Moon for the first time, he or she receives a code that can be entered as his or her name when starting a new game ; this code will start the game in Magician Mode, in which Nathan has decreased strength and defense, but increased intelligence and begins with all twenty DSS cards.

Once the DNA damage is repaired or bypassed using polymerases or through recombination, the amount of single-stranded DNA in cells is decreased, lowering the amounts of RecA filaments decreases cleavage activity of LexA homodimer, which then binds to the SOS boxes near promoters and restores normal gene expression.

Once the invasion of Europe was underway the number of troops in Northern Ireland decreased rapidly and with them the special problems they had created for the NCC.