Search Results - "Helfand, R F"

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  1. 1

    Comparative detection of measles and rubella IgM and IgG derived from filter paper blood and serum samples by Helfand, R.F., Keyserling, H.L., Williams, I., Murray, A., Mei, J., Moscatiello, C., Icenogle, J., Bellini, W.J.

    Published in Journal of medical virology (01-12-2001)
    “…We compared the use of serum and filter paper blood spots as specimen sources for the detection of measles‐ and rubella‐specific IgM and IgG. We collected…”
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  2. 2

    Diagnosis of Measles with an IgM Capture EIA: The Optimal Timing of Specimen Collection after Rash Onset by Helfand, Rita F., Heath, Janet L., Anderson, Larry J., Maes, Edmond F., Guris, Dalya, Bellini, William J.

    Published in The Journal of infectious diseases (01-01-1997)
    “…The optimal timing for collection of a single serum specimen to diagnose measles by using a monoclonal antibody-capture EIA was evaluated. Results of testing…”
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  3. 3

    Negative impact of clinical misdiagnosis of measles on health workers' confidence in measles vaccine by HELFAND, R. F., CHIBI, T., BIELLIK, R., SHEARLEY, A., BELLINI, W. J.

    Published in Epidemiology and infection (01-02-2004)
    “…We conducted a survey to determine the accuracy of the clinical diagnosis of measles in Zimbabwe. Between December 1996 and February 1997, we collected blood…”
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  4. 4

    Serologic Evidence of an Association between Enteroviruses and the Onset of Type 1 Diabetes Mellitus by Helfand, Rita F., Gary, Howard E., Freeman, Charlotte Y., Anderson, Larry J., Pallansch, Mark A.

    Published in The Journal of infectious diseases (01-11-1995)
    “…Serum was collected from 128 patients ⩽18 years of age admitted to the Children's Hospital of Pittsburgh with new-onset insulin-dependent diabetes mellitus…”
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  5. 5

    Induction of cytokine mRNA in peripheral blood mononuclear cells of infants after the first dose of measles vaccine by Li, H., Hickman, C.J., Helfand, R.F., Keyserling, H., Anderson, L.J., Bellini, W.J.

    Published in Vaccine (14-09-2001)
    “…To better characterize the cytokine response to measles virus vaccine, we examined the levels of IL-2, IL-4, IL-5, IL-10, IL-12 and γ-interferon (γ-IFN) in…”
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  6. 6

    The effect of timing of sample collection on the detection of measles-specific IgM in serum and oral fluid samples after primary measles vaccination by HELFAND, R. F., KEBEDE, S., MERCADER, S., GARY, H. E., BEYENE, H., BELLINI, W. J.

    Published in Epidemiology and infection (01-12-1999)
    “…This study compares the timing of the rise and decline of measles-specific IgM in serum samples and in oral fluid samples. Two hundred and eighty 9-month-old…”
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  7. 7

    Nonclassic measles infections in an immune population exposed to measles during a college bus trip by Helfand, Rita F., Kim, David K., Gary Jr, Howard E., Edwards, Gary L., Bisson, Gregory P., Papania, Mark J., Heath, Janet L., Schaff, Debbie L., Bellini, William J., Redd, Stephen C., Anderson, Larry J.

    Published in Journal of medical virology (01-12-1998)
    “…This study investigated the frequency of mild or asymptomatic measles infections among 44 persons exposed to a student with measles during a 3‐day bus trip…”
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  8. 8

    Comparative Detection of Measles-Specific IgM in Oral Fluid and Serum from Children by an Antibody-Capture IgM EIA by Helfand, Rita F., Kebede, Senait, Alexander, James P., Alemu, Wondimagegnehu, Heath, Janet L., Gary, Howard E., Anderson, Larry J., Beyene, Hagos, Bellini, William J.

    Published in The Journal of infectious diseases (01-06-1996)
    “…In vaccinated populations, the diagnosis of measles often requires laboratory confirmation. Serum tested by EIAs has proven sensitive and specific for…”
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  9. 9

    The Challenges and Strategies for Laboratory Diagnosis of Measles in an International Setting by Bellini, William J. , Helfand, Rita F. 

    Published in The Journal of infectious diseases (15-05-2003)
    “…Serum‐based measles‐specific IgM EIAs are the recommended laboratory assays for diagnosis of acute measles infections and appear to be sufficient for measles…”
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  10. 10

    Echovirus 30 Infection and Aseptic Meningitis in Parents of Children Attending a Child Care Center by Helfand, Rita F., Khan, Ali S., Pallansch, Mark A., Alexander, James P., Meyers, Hildy B., DeSantis, Rosalie A., Schonberger, Larry B., Anderson, Larry J.

    Published in The Journal of infectious diseases (01-05-1994)
    “…In July 1992, 13 parents with children attending a child care center (CCC) developed aseptic meningitis (AM) due to echovirus 30 (E30). To determine the extent…”
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  11. 11

    Combining clinical and epidemiologic features for early recognition of SARS by Jernigan, John A, Low, Donald E, Hefland, Rita F

    Published in Emerging infectious diseases (01-02-2004)
    “…Early recognition and rapid initiation of infection control precautions are currently the most important strategies for controlling severe acute respiratory…”
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  12. 12

    Lack of Evidence of Measles Virus Shedding in People with Inapparent Measles Virus Infections by Katz, Samuel L., Lievano, Fabio A., Papania, Mark J., Helfand, Rita F., Harpaz, Rafael, Walls, Laura, Katz, Russell S., Williams, Irene, Villamarzo, Yvonne S., Rota, Paul A., Bellini, William J.

    Published in The Journal of infectious diseases (01-05-2004)
    “…Serological evidence of measles virus infection has been detected among people exposed to measles who do not exhibit classical clinical symptoms. Throat swabs,…”
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  13. 13

    Cutaneous Cryptococcosis Mimicking Molluscum Contagiosum in a Patient with AIDS by Concus, Adriane P., Helfand, Rita F., Imber, Michael J., Lerner, Ethan A., Sharpe, Richard J.

    Published in The Journal of infectious diseases (01-10-1988)
    “…The authors report a case of pulmonary and cutaneous cryptococcosis in a patient with AIDS who had skin lesions that several dermatologists initially thought…”
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  14. 14

    Immunogenicity of Measles and Rubella Vaccines in Oman: A Prospective Clinical Trial by Kohler, Kathryn A. , Suleiman, Ali Jaffer M. , Robertson, Susan E. , Malankar, Pradeep , Al‐Khusaiby, Saleh , Helfand, Rita F. , Brown, David , Bellini, William J. , Sutter, Roland W. 

    Published in The Journal of infectious diseases (15-05-2003)
    “…A prospective immunogenicity trial of measles and rubella vaccines was conducted in Oman. Children received measles vaccine at age 9 months and measles‐rubella…”
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  15. 15

    Timing of development of measles-specific immunoglobulin M and G after primary measles vaccination by Helfand, R F, Kebede, S, Gary, Jr, H E, Beyene, H, Bellini, W J

    “…A standard method for diagnosing measles is to detect measles-specific immunoglobulin M (IgM) in the serum of infected persons. Interpreting a positive IgM…”
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  16. 16

    Decline of measles-specific immunoglobulin M antibodies after primary measles, mumps, and rubella vaccination by Helfand, R F, Gary, Jr, H E, Atkinson, W L, Nordin, J D, Keyserling, H L, Bellini, W J

    “…Detection of measles-specific immunoglobulin M (IgM) has become the standard diagnostic method for laboratory confirmation of measles. In outbreaks, the…”
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  17. 17

    The challenges and strategies for laboratory diagnosis of measles in an international setting by Bellini, W J, Helfand, R F

    Published in The Journal of infectious diseases (15-05-2003)
    “…Serum-based measles-specific IgM EIAs are the recommended laboratory assays for diagnosis of acute measles infections and appear to be sufficient for measles…”
    Get full text
    Journal Article
  18. 18

    Immunogenicity of measles and rubella vaccines in oman: a prospective clinical trial by Kohler, KA, Suleiman, A J, Robertson, SE, Malankar, P, Al-Khusaiby, S, Helfand, R F, Brown, D, Bellini, W J, Sutter, R W

    Published in The Journal of infectious diseases (15-05-2003)
    “…A prospective immunogenicity trial of measles and rubella vaccines was conducted in Oman. Children received measles vaccine at age 9 months and measles-rubella…”
    Get full text
    Journal Article
  19. 19

    Serologic evidence of an association between enteroviruses and the onset of type 1 diabetes mellitus. Pittsburgh Diabetes Research Group by Helfand, R F, Gary, Jr, H E, Freeman, C Y, Anderson, L J, Pallansch, M A

    Published in The Journal of infectious diseases (01-11-1995)
    “…Serum was collected from 128 patients < or = 18 years of age admitted to the Children's Hospital of Pittsburgh with new-onset insulin-dependent diabetes…”
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    Journal Article
  20. 20

    Accurate clinical prediction of severe acute respiratory syndrome: are we there yet? by Jernigan, John A, Helfand, Rita F, Parashar, Umesh D

    Published in Annals of internal medicine (07-09-2004)
    “…Jernigan et al comment on the article by Leung and colleagues, which describes the development of a clinical prediction rule to identify patients with SARS in…”
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