Helena Käyhty

Author PubWeight™ 70.44‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Enzyme-linked immunosorbent assay for quantitation of human antibodies to pneumococcal polysaccharides. Clin Diagn Lab Immunol 2003 3.27
2 Serological criteria for evaluation and licensure of new pneumococcal conjugate vaccine formulations for use in infants. Vaccine 2003 2.87
3 The fundamental link between pneumococcal carriage and disease. Expert Rev Vaccines 2012 2.79
4 Protective efficacy of a second pneumococcal conjugate vaccine against pneumococcal acute otitis media in infants and children: randomized, controlled trial of a 7-valent pneumococcal polysaccharide-meningococcal outer membrane protein complex conjugate vaccine in 1666 children. Clin Infect Dis 2003 1.94
5 Quantitative and qualitative anamnestic immune responses to pneumococcal conjugate vaccine in HIV-infected and HIV-uninfected children 5 years after vaccination. J Infect Dis 2009 1.82
6 Immunogenicity and reactogenicity of 23-valent pneumococcal polysaccharide vaccine among pregnant Filipino women and placental transfer of antibodies. Vaccine 2007 1.63
7 Effect of HIV infection status and anti-retroviral treatment on quantitative and qualitative antibody responses to pneumococcal conjugate vaccine in infants. J Infect Dis 2010 1.39
8 Multilaboratory evaluation of a viability assay for measurement of opsonophagocytic antibodies specific to the capsular polysaccharides of Streptococcus pneumoniae. Clin Diagn Lab Immunol 2003 1.38
9 Streptococcus pneumoniae capsular serotype 19F is more resistant to C3 deposition and less sensitive to opsonophagocytosis than serotype 6B. Infect Immun 2008 1.33
10 Quantitative and qualitative antibody response to pneumococcal conjugate vaccine among African human immunodeficiency virus-infected and uninfected children. Pediatr Infect Dis J 2005 1.31
11 Evaluation of pneumococcal polysaccharide immunoassays using a 22F adsorption step with serum samples from infants vaccinated with conjugate vaccines. Clin Vaccine Immunol 2009 1.25
12 Effects of ageing and gender on naturally acquired antibodies to pneumococcal capsular polysaccharides and virulence-associated proteins. Clin Vaccine Immunol 2008 1.24
13 Kinetics and avidity of antibodies evoked by heptavalent pneumococcal conjugate vaccines PncCRM and PncOMPC in the Finnish Otitis Media Vaccine Trial. Infect Immun 2005 1.21
14 Development of natural antibodies to pneumococcal surface protein A, pneumococcal surface adhesin A and pneumolysin in Filipino pregnant women and their infants in relation to pneumococcal carriage. Vaccine 2005 1.17
15 Aging reduces the functionality of anti-pneumococcal antibodies and the killing of Streptococcus pneumoniae by neutrophil phagocytosis. Vaccine 2011 1.12
16 Development of antibodies against pneumococcal proteins alpha-enolase, immunoglobulin A1 protease, streptococcal lipoprotein rotamase A, and putative proteinase maturation protein A in relation to pneumococcal carriage and Otitis Media. Vaccine 2004 1.09
17 Specificities and opsonophagocytic activities of antibodies to pneumococcal capsular polysaccharides in sera of unimmunized young children. Clin Diagn Lab Immunol 2002 1.08
18 Protection by natural human immunoglobulin M antibody to meningococcal serogroup B capsular polysaccharide in the infant rat protection assay is independent of complement-mediated bacterial lysis. Infect Immun 2005 1.06
19 Immunogenicity and effectiveness of Haemophilus influenzae type b conjugate vaccine in HIV infected and uninfected African children. Vaccine 2005 1.06
20 Long term effects of vaccination of patients deficient in a late complement component with a tetravalent meningococcal polysaccharide vaccine. Vaccine 2003 1.05
21 The capsular serotype of Streptococcus pneumoniae is more important than the genetic background for resistance to complement. Infect Immun 2010 1.05
22 Interaction of pneumococcal histidine triad proteins with human complement. Infect Immun 2010 1.05
23 Pneumococcal carriage and acute otitis media induce serum antibodies to pneumococcal surface proteins CbpA and PhtD in children. Vaccine 2009 1.03
24 Anti-PsaA and the risk of pneumococcal AOM and carriage. Vaccine 2003 1.01
25 Functional antibodies elicited by two heptavalent pneumococcal conjugate vaccines in the Finnish Otitis Media Vaccine Trial. Infect Immun 2007 1.01
26 Immunogenicity and safety of the eleven valent pneumococcal polysaccharide-protein D conjugate vaccine in infants. Pediatr Infect Dis J 2004 1.01
27 Pneumococcal carriage and otitis media induce salivary antibodies to pneumococcal capsular polysaccharides in children. J Infect Dis 2002 1.00
28 Multilaboratory comparison of Streptococcus pneumoniae opsonophagocytic killing assays and their level of agreement for the determination of functional antibody activity in human reference sera. Clin Vaccine Immunol 2010 0.99
29 Antibodies to pneumococcal proteins PhtD, CbpA, and LytC in Filipino pregnant women and their infants in relation to pneumococcal carriage. Clin Vaccine Immunol 2009 0.99
30 Serotype-specific hyporesponsiveness to pneumococcal conjugate vaccine in infants carrying pneumococcus at the time of vaccination. J Pediatr 2010 0.98
31 Evolution of conjugate vaccines. Expert Rev Vaccines 2002 0.98
32 Impact of the conjugation method on the immunogenicity of Streptococcus pneumoniae serotype 19F polysaccharide in conjugate vaccines. Clin Vaccine Immunol 2010 0.98
33 Long-term persistence of immunity after immunisation with Haemophilus influenzae type b conjugate vaccine. Vaccine 2003 0.95
34 Serotype-related variation in susceptibility to complement deposition and opsonophagocytosis among clinical isolates of Streptococcus pneumoniae. Infect Immun 2010 0.93
35 Effects of feeding probiotics during weaning on infections and antibody responses to diphtheria, tetanus and Hib vaccines. Pediatr Allergy Immunol 2007 0.93
36 Antibody response to pneumococcal capsular polysaccharides in children with acute otitis media. Pediatr Infect Dis J 2002 0.92
37 Protection by meningococcal outer membrane protein PorA-specific antibodies and a serogroup B capsular polysaccharide-specific antibody in complement-sufficient and C6-deficient infant rats. Infect Immun 2006 0.92
38 Passive protection in the infant rat protection assay by sera taken before and after vaccination of teenagers with serogroup B meningococcal outer membrane vesicle vaccines. Vaccine 2005 0.91
39 Antibody-dependent killing of meningococci by human neutrophils in serum of late complement component-deficient patients. Int Arch Allergy Immunol 2003 0.90
40 Antibody response to an eleven valent diphtheria- and tetanus-conjugated pneumococcal conjugate vaccine in Filipino infants. Pediatr Infect Dis J 2002 0.90
41 Serum antibodies to the pneumococcal surface proteins PhtB and PhtE in Finnish infants and adults. Pediatr Infect Dis J 2007 0.89
42 Functional activity of antibodies after immunization of Finnish and Israeli infants with an 11-valent pneumococcal conjugate vaccine. Vaccine 2005 0.88
43 Serum IgM antibodies contribute to high levels of opsonophagocytic activities in toddlers immunized with a single dose of the 9-valent pneumococcal conjugate vaccine. Clin Vaccine Immunol 2012 0.88
44 Safety and immunogenicity of three doses of an eleven-valent diphtheria toxoid and tetanus protein--conjugated pneumococcal vaccine in Filipino infants. BMC Infect Dis 2003 0.88
45 Functional antibodies elicited by an 11-valent diphtheria-tetanus toxoid-conjugated pneumococcal vaccine. J Infect Dis 2003 0.88
46 Serum antibodies to pneumococcal neuraminidase NanA in relation to pneumococcal carriage and acute otitis media. Clin Vaccine Immunol 2006 0.87
47 Mother-infant vaccination with pneumococcal polysaccharide vaccine: persistence of maternal antibodies and responses of infants to vaccination. Vaccine 2011 0.87
48 Dose response of CRM197 and tetanus toxoid-conjugated Haemophilus influenzae type b vaccines. Vaccine 2004 0.86
49 Greater antibody responses to an eleven valent mixed carrier diphtheria- or tetanus-conjugated pneumococcal vaccine in Filipino than in Finnish or Israeli infants. Pediatr Infect Dis J 2003 0.86
50 Safety and immunogenicity of a DTaP-IPV(Vero) (serum-free) combination vaccine in comparison to DTaP-IPV(Mkc) when administered simultaneously with Haemophilus influenzae type B conjugate vaccine (PRP-T) in children at 2, 3.5, 5 and 16 months of age. Vaccine 2008 0.85
51 Haemophilus influenzae type b conjugate vaccine diluted tenfold in diphtheria-tetanus-whole cell pertussis vaccine: a randomized trial. Pediatr Infect Dis J 2002 0.85
52 Genotypic and phenotypic characterization of carriage and invasive disease isolates of Neisseria meningitidis in Finland. J Clin Microbiol 2011 0.84
53 Similar antibody concentrations in Filipino infants at age 9 months, after 1 or 3 doses of an adjuvanted, 11-valent pneumococcal diphtheria/tetanus-conjugated vaccine: a randomized controlled trial. J Infect Dis 2004 0.83
54 Association of serotype-specific antibody concentrations and functional antibody titers with subsequent pneumococcal carriage in toddlers immunized with a 9-valent pneumococcal conjugate vaccine. Clin Vaccine Immunol 2011 0.82
55 Salivary antibodies induced by the seven-valent PncCRM conjugate vaccine in the Finnish Otitis Media Vaccine Trial. Vaccine 2004 0.82
56 Adenoidectomy and nasopharyngeal carriage of Streptococcus pneumoniae in young children. Arch Dis Child 2010 0.81
57 IgG antibody concentrations after immunization with 11-valent mixed-carrier pneumococcal conjugate vaccine in efficacy trial against pneumonia among Filipino infants. Vaccine 2009 0.81
58 Concentration and high avidity of pneumococcal antibodies persist at least 4 years after immunization with pneumococcal conjugate vaccine in infancy. Clin Vaccine Immunol 2013 0.81
59 Salivary antibodies induced by the seven-valent PncOMPC conjugate vaccine in the Finnish Otitis Media Vaccine Trial. BMC Infect Dis 2005 0.80
60 Haemophilus influenzae type b (Hib) antibody concentrations and vaccination responses in patients with chronic lymphocytic leukaemia: predicting factors for response. Leuk Lymphoma 2002 0.80
61 Vaccination against infections in chronic lymphocytic leukemia. Leuk Lymphoma 2003 0.80
62 Pneumococcal Haemophilus influenzae protein D conjugate vaccine induces antibodies that inhibit glycerophosphodiester phosphodiesterase activity of protein D. Infect Immun 2008 0.78
63 Similar humoral immunity parameters in chronic lymphocytic leukemia patients independent of VH gene mutation status. Leuk Lymphoma 2004 0.77
64 Adenoidectomy in young children and serum IgG antibodies to pneumococcal surface protein A and choline binding protein A. Int J Pediatr Otorhinolaryngol 2012 0.76
65 Immunity after (re)vaccination of paediatric patients following haematopoietic stem cell transplantation. Acta Paediatr 2012 0.75
66 Effect of Pneumococcal Conjugate Vaccine on the Natural Antibodies and Antibody Responses Against Protein Antigens From Streptococcus pneumoniae, Haemophilus influenzae and Moraxella catarrhalis in Children With Community-acquired Pneumonia. Pediatr Infect Dis J 2016 0.75
67 Response and persistence of antibodies to PRP-T and DTwP vaccines with concomitant administration of conjugate vaccines. Vaccine 2006 0.75
68 [Lack of spleen or spleen malfunction--serious risk factor for sepsis]. Duodecim 2004 0.75