What's the difference between onset and outbreak?

Onset


Definition:

  • (n.) A rushing or setting upon; an attack; an assault; a storming; especially, the assault of an army.
  • (n.) A setting about; a beginning.
  • (n.) Anything set on, or added, as an ornament or as a useful appendage.
  • (v. t.) To assault; to set upon.
  • (v. t.) To set about; to begin.

Example Sentences:

  • (1) The rash presented either as a pityriasis rosea-like picture which appeared about three to six months after the onset of treatment in patients taking low doses, or alternatively, as lichenoid plaques which appeared three to six months after commencement of medication in patients taking high doses.
  • (2) One must be suspicious of any gingival lesion, particulary if there is a sudden onset of bleeding or hyperplasia.
  • (3) However, there was no correlation between the length of time PN was administered to onset of cholestasis and the gestational age or birth weight of the infants.
  • (4) The epidemiology of HIV infection among women and hence among children has progressively changed since the onset of the epidemic in Western countries.
  • (5) To estimate the age of onset of these differences, and to assess their relationship to abdominal and gluteal adipocyte size, we measured adiposity, adipocyte size, and glucose and insulin concentrations during a glucose tolerance test in lean (less than 20% body fat), prepubertal children from each race.
  • (6) The results show that in TMO-treated animals the time to the onset of convulsions, the time to the onset of NADH oxidation-reduction cycles, and the survival time were significantly longer than in the control group.
  • (7) The clinical aspects, the modality of onset and diffusion of the lymphoma, its macroscopic and histopathological features and the different therapeutic approaches are discussed.
  • (8) Seven patients had not been recognized as hypogammaglobulinemic before the onset of infection.
  • (9) In contrast, idiopathic GH deficient girls have an onset of puberty and PHV nearer to a normal chronological age and at an early bone age.
  • (10) Current status of prognosis in clinical, experimental and prophylactic medicine is delineated with formulation of the purposes and feasibility of therapeutic and preventive realization of the disease onset and run prediction.
  • (11) We found that, although controlled release delivery of ddC inhibited de novo FeLV-FAIDS replication and delayed onset of viremia when therapy was discontinued (after 3 weeks), an equivalent incidence and level of viremia were established rapidly in both ddC-treated and control cats.
  • (12) An experimental model was established in the ewe allowing one to predict with accuracy an antral follicle that coincidentally would either undergo ovulation (6-8 mm diameter) or atresia (3-4 mm diameter) following synchronization of luteal regression and the onset of the gonadotropin surge.
  • (13) Females were killed at various times after the onset of mating or artificial insemination, oviducts were fixed and sectioned serially, and spermatozoa were counted individually as to their location in the oviduct.
  • (14) For the second propositus, a woman presenting with abdominal and psychiatric manifestations, the age of onset was 38 years; the acute attack had no recognizable cause; she had mild skin lesions and initially was incorrectly diagnosed as intermittent acute porphyria; the diagnosis of variegate porphyria was only established at the age of 50 years.
  • (15) It was recently demonstrated that MRL-lpr lymphoid cells transferred into lethally irradiated MRL- +mice unexpectedly failed to induce the early onset of lupus syndrome and massive lymphadenopathy of the donor, instead they caused a severe wasting syndrome resembling graft-vs-host (GvH) disease.
  • (16) It is clear that before general release of a new living feline infectious enteritis vaccine, there must be satisfactory evidence that concurrent infection will not affect the safety of the modified antigen.In cats infected with feline infectious enteritis there appears to be a short period, coinciding with the onset of leucopaenia, during which they are highly infectious.
  • (17) Abnormal albuminuria at levels not reliably detected by the usual dipstick methods was commonly observed in Pima Indians with diabetes, even those with diabetes of recent onset.
  • (18) In all cases foetal administration of glucocorticoid led to the onset of labour, and lambing, and in all animals the hormonal changes preceding parturition were indistinguishable (either qualitatively or quantitatively) from the changes observed in animals carrying intact lambs.
  • (19) Increasing the pH of local anesthetics with sodium bicarbonate has been reported to hasten their onset of action.
  • (20) Evx-1 RNA is first detected shortly before the onset of gastrulation in a region of ectoderm containing cells that will soon be found in the primitive streak.

Outbreak


Definition:

  • (n.) A bursting forth; eruption; insurrection.

Example Sentences:

  • (1) During the study period four family outbreaks and seven recurrences of infection were observed.
  • (2) Some international coverage of the outbreak was accused of misinforming western readers.
  • (3) We present a mathematical model that is suitable to reconcile this apparent contradiction in the interpretation of the epidemiological data: the observed parallel time series for the spread of AIDS in groups with different risk of infection can be realized by computer simulation, if one assumes that the outbreak of full-blown AIDS only occurs if HIV and a certain infectious coagent (cofactor) CO are present.
  • (4) Last week the WHO said the outbreak had reached a critical point, and announced a $200m (£120m) emergency fund.
  • (5) Although the incidence of acute rheumatic fever has declined in the last decades, a few outbreaks have recently been reported.
  • (6) The effect of scrotal mange (Chorioptes bovis) on semen quality was assessed in a flock of rams during an outbreak of chorioptic mange and in rams with experimentally induced chorioptic mange.
  • (7) The Duke and Duchess of Cambridge stood among the graves on 4 August last year in a moving ceremony to mark the 100th anniversary of the outbreak of war.
  • (8) The present study identifies and values the costs of a hospital based outbreak of poultry-borne salmonellosis.
  • (9) In a statement the Los Angeles County department of public health said: "Though legionella bacteria was identified in a water sample taken from the Playboy Mansion, this bacteria has not been determined as the source of the respiratory outbreak.
  • (10) However, focal outbreaks in small scale still occurred every year.
  • (11) The number of reported outbreaks increased from 20 in 1981 to 64 in 1988, 114 in 1989, 82 in 1990 and 52 in 1991 (January to June).
  • (12) This was achieved by means of postal questionnaires, coupled with the biochemical and serological examination of bacterial isolates from 91 outbreaks in poultry and from nine cases in other avian species.
  • (13) The authors studied 1,211 laboratory-confirmed, non-outbreak-related cases of giardiasis in Vermont residents reported through Vermont's laboratory-based active surveillance system between 1983 and 1986.
  • (14) If Abbott changes his formulation, he could risk an outbreak of ill-discipline within his own ranks, because these days the conservatives are more inclined to public outbreaks off-script than the moderates.
  • (15) Crises such as the Ebola outbreak in west Africa and mass displacement in Central African Republic, South Sudan and Syria triggered a 22% rise in humanitarian spending among the DAC’s 28 member countries, which spent $13bn in that area last year, the OECD said.
  • (16) He argues that whenever you have periods of crazy expansion of virtual credit, like today, you either have to have a safety valve of forgiveness, like in Mesopotamia where you wiped the tablets clean every seven years, or you have an outbreak of social violence so intense you rip society apart.
  • (17) A major outbreak in Kent in 2012 saw 2,000 trees felled.
  • (18) On the basis of the analysis of 69 outbreaks of hospital infections registered in the USSR in 1986-1989, as well as additional observations made by the authors, a number of factors which determined the present state of the problems concerning this kind of morbidity in the USSR were established: an insufficient level (in cases of enteric infections) or a low level (in cases of purulent septic infections) of etiological diagnosis; poor efficiency of the epidemiological investigation of outbreaks; defects in the work on the prophylactic detection of potential sources of infection among medical staff, parturient women or mothers taking care of their infants.
  • (19) The restriction enzyme patterns of the nine clinical isolates from the 1983 Massachusetts outbreak were identical to each other but differed from those of raw milk isolates recovered from sources supplying the pasteurizer.
  • (20) An isolated colony of red squirrels at Formby , Merseyside, were decimated by an outbreak of squirrelpox in 2008 , which saw the population crash by 85% to less than 200 squirrels.