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Nicola Principi

Nicola Principi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Immunology 89 1114 1011 39 37 688 28658
Medicine 89 12690 11945 484 463 744 28968

Nicola Principi publications per year

The chart shows the history of publications by Nicola Principi between 1965 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nicola Principi published across 61 years, from 1965 to 2025, averaging 12.4 papers a year. Output peaked at 51 publications in 2016. 19 of the 757 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1965 to 2025. Vertical axis: number of publications, 0 to 51. Peak 51 publications in 2016. 1965: 1 publication 1966: 3 publications 1967: 2 publications 1968: 2 publications 1969: 7 publications 1970: 0 publications 1971: 1 publication 1972: 1 publication 1973: 5 publications 1974: 1 publication 1975: 5 publications 1976: 0 publications 1977: 1 publication 1978: 1 publication 1979: 1 publication 1980: 0 publications 1981: 3 publications 1982: 2 publications 1983: 2 publications 1984: 2 publications 1985: 2 publications 1986: 7 publications 1987: 8 publications 1988: 5 publications 1989: 3 publications 1990: 5 publications 1991: 9 publications 1992: 10 publications 1993: 10 publications 1994: 5 publications 1995: 8 publications 1996: 12 publications 1997: 12 publications 1998: 11 publications 1999: 11 publications 2000: 7 publications 2001: 11 publications 2002: 15 publications 2003: 12 publications 2004: 12 publications 2005: 14 publications 2006: 14 publications 2007: 25 publications 2008: 19 publications 2009: 27 publications 2010: 24 publications 2011: 27 publications 2012: 39 publications 2013: 39 publications 2014: 43 publications 2015: 32 publications 2016: 51 publications 2017: 32 publications 2018: 30 publications 2019: 23 publications 2020: 23 publications 2021: 25 publications 2022: 23 publications 2023: 13 publications 2024: 9 publications 2025: 10 publications
1965 2025

757 publications in total across all disciplines

View publications per year as a table
Nicola Principi: publications per year, 1965 to 2025
Year Publications
1965 1
1966 3
1967 2
1968 2
1969 7
1970 0
1971 1
1972 1
1973 5
1974 1
1975 5
1976 0
1977 1
1978 1
1979 1
1980 0
1981 3
1982 2
1983 2
1984 2
1985 2
1986 7
1987 8
1988 5
1989 3
1990 5
1991 9
1992 10
1993 10
1994 5
1995 8
1996 12
1997 12
1998 11
1999 11
2000 7
2001 11
2002 15
2003 12
2004 12
2005 14
2006 14
2007 25
2008 19
2009 27
2010 24
2011 27
2012 39
2013 39
2014 43
2015 32
2016 51
2017 32
2018 30
2019 23
2020 23
2021 25
2022 23
2023 13
2024 9
2025 10
Total 757
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Nicola Principi publication distribution in Immunology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Immunology in 2026. The highlighted bar marks where Nicola Principi sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 76 bars. Horizontal axis: publications, 62–71 to 807+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 152–161 publications. The last bar groups every scientist with 807 publications or more. The highlighted bar, 682–691 publications, is where this scientist sits. 62–71 publications: 9 scientists 72–81 publications: 23 scientists 82–91 publications: 40 scientists 92–101 publications: 72 scientists 102–111 publications: 86 scientists 112–121 publications: 108 scientists 122–131 publications: 150 scientists 132–141 publications: 160 scientists 142–151 publications: 159 scientists 152–161 publications: 189 scientists 162–171 publications: 166 scientists 172–181 publications: 181 scientists 182–191 publications: 188 scientists 192–201 publications: 187 scientists 202–211 publications: 178 scientists 212–221 publications: 158 scientists 222–231 publications: 168 scientists 232–241 publications: 159 scientists 242–251 publications: 160 scientists 252–261 publications: 148 scientists 262–271 publications: 116 scientists 272–281 publications: 125 scientists 282–291 publications: 115 scientists 292–301 publications: 111 scientists 302–311 publications: 95 scientists 312–321 publications: 97 scientists 322–331 publications: 97 scientists 332–341 publications: 99 scientists 342–351 publications: 96 scientists 352–361 publications: 69 scientists 362–371 publications: 76 scientists 372–381 publications: 71 scientists 382–391 publications: 71 scientists 392–401 publications: 62 scientists 402–411 publications: 54 scientists 412–421 publications: 41 scientists 422–431 publications: 63 scientists 432–441 publications: 53 scientists 442–451 publications: 31 scientists 452–461 publications: 42 scientists 462–471 publications: 40 scientists 472–481 publications: 29 scientists 482–491 publications: 34 scientists 492–501 publications: 30 scientists 502–511 publications: 23 scientists 512–521 publications: 41 scientists 522–531 publications: 29 scientists 532–541 publications: 28 scientists 542–551 publications: 16 scientists 552–561 publications: 18 scientists 562–571 publications: 18 scientists 572–581 publications: 17 scientists 582–591 publications: 17 scientists 592–601 publications: 17 scientists 602–611 publications: 19 scientists 612–621 publications: 13 scientists 622–631 publications: 12 scientists 632–641 publications: 11 scientists 642–651 publications: 16 scientists 652–661 publications: 9 scientists 662–671 publications: 5 scientists 672–681 publications: 13 scientists 682–691 publications: 12 scientists 692–701 publications: 6 scientists 702–711 publications: 6 scientists 712–721 publications: 9 scientists 722–731 publications: 9 scientists 732–741 publications: 6 scientists 742–751 publications: 11 scientists 752–761 publications: 10 scientists 762–771 publications: 7 scientists 772–781 publications: 12 scientists 782–791 publications: 7 scientists 792–801 publications: 5 scientists 802–806 publications: 1 scientist 807+ publications: 100 scientists
62–71 publications 807+

This scientist: 688 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 807 publications or more.

View publications distribution as a table
Number of Immunology scientists by publication count, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
Publications Scientists This scientist
62–71 9
72–81 23
82–91 40
92–101 72
102–111 86
112–121 108
122–131 150
132–141 160
142–151 159
152–161 189
162–171 166
172–181 181
182–191 188
192–201 187
202–211 178
212–221 158
222–231 168
232–241 159
242–251 160
252–261 148
262–271 116
272–281 125
282–291 115
292–301 111
302–311 95
312–321 97
322–331 97
332–341 99
342–351 96
352–361 69
362–371 76
372–381 71
382–391 71
392–401 62
402–411 54
412–421 41
422–431 63
432–441 53
442–451 31
452–461 42
462–471 40
472–481 29
482–491 34
492–501 30
502–511 23
512–521 41
522–531 29
532–541 28
542–551 16
552–561 18
562–571 18
572–581 17
582–591 17
592–601 17
602–611 19
612–621 13
622–631 12
632–641 11
642–651 16
652–661 9
662–671 5
672–681 13
682–691 12 688
692–701 6
702–711 6
712–721 9
722–731 9
732–741 6
742–751 11
752–761 10
762–771 7
772–781 12
782–791 7
792–801 5
802–806 1
807+ 100
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Nicola Principi D-index placement in Immunology in 2026

The chart shows the D-index (discipline H-index) distribution of Immunology scientists ranked by Research.com in 2026. The highlighted bar marks where Nicola Principi sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 60 bars. Horizontal axis: D-Index, 40–41 to 157+. Vertical axis: number of scientists, 0 to 201. Most scientists, 201, have 58–59 D-Index. The last bar groups every scientist with 157 D-Index or more. The highlighted bar, 88–89 D-Index, is where this scientist sits. 40–41 D-Index: 28 scientists 42–43 D-Index: 91 scientists 44–45 D-Index: 157 scientists 46–47 D-Index: 192 scientists 48–49 D-Index: 175 scientists 50–51 D-Index: 188 scientists 52–53 D-Index: 177 scientists 54–55 D-Index: 155 scientists 56–57 D-Index: 194 scientists 58–59 D-Index: 201 scientists 60–61 D-Index: 197 scientists 62–63 D-Index: 201 scientists 64–65 D-Index: 173 scientists 66–67 D-Index: 167 scientists 68–69 D-Index: 172 scientists 70–71 D-Index: 199 scientists 72–73 D-Index: 184 scientists 74–75 D-Index: 133 scientists 76–77 D-Index: 163 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 125 scientists 84–85 D-Index: 121 scientists 86–87 D-Index: 102 scientists 88–89 D-Index: 96 scientists 90–91 D-Index: 75 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 74 scientists 96–97 D-Index: 66 scientists 98–99 D-Index: 68 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 60 scientists 104–105 D-Index: 54 scientists 106–107 D-Index: 36 scientists 108–109 D-Index: 23 scientists 110–111 D-Index: 52 scientists 112–113 D-Index: 41 scientists 114–115 D-Index: 34 scientists 116–117 D-Index: 25 scientists 118–119 D-Index: 28 scientists 120–121 D-Index: 11 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 19 scientists 128–129 D-Index: 20 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 17 scientists 134–135 D-Index: 14 scientists 136–137 D-Index: 15 scientists 138–139 D-Index: 9 scientists 140–141 D-Index: 11 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 9 scientists 146–147 D-Index: 7 scientists 148–149 D-Index: 7 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 5 scientists 154–155 D-Index: 8 scientists 156 D-Index: 6 scientists 157+ D-Index: 96 scientists
40–41 D-Index 157+

This scientist: 89 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 157 D-Index or more.

View D-Index distribution as a table
Number of Immunology scientists by D-index, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
D-Index Scientists This scientist
40–41 28
42–43 91
44–45 157
46–47 192
48–49 175
50–51 188
52–53 177
54–55 155
56–57 194
58–59 201
60–61 197
62–63 201
64–65 173
66–67 167
68–69 172
70–71 199
72–73 184
74–75 133
76–77 163
78–79 127
80–81 121
82–83 125
84–85 121
86–87 102
88–89 96 89
90–91 75
92–93 72
94–95 74
96–97 66
98–99 68
100–101 49
102–103 60
104–105 54
106–107 36
108–109 23
110–111 52
112–113 41
114–115 34
116–117 25
118–119 28
120–121 11
122–123 20
124–125 27
126–127 19
128–129 20
130–131 16
132–133 17
134–135 14
136–137 15
138–139 9
140–141 11
142–143 9
144–145 9
146–147 7
148–149 7
150–151 7
152–153 5
154–155 8
156 6
157+ 96
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Overview

Nicola Principi is affiliated with the University of Milan in Italy and has a substantial body of work primarily centered on medical research. Their research spans multiple topics within the broader field of medicine, with a strong focus on infectious diseases and public health.

The scientist's main fields of study include medicine, with particular emphasis on infectious diseases, epidemiology, surgery, pulmonary and respiratory medicine, and public health, environmental, and occupational health.

Some of the key topics covered in Nicola Principi's research are:

  • SARS-CoV-2 and COVID-19 Research
  • Respiratory viral infections research
  • COVID-19 Clinical Research Studies
  • Pneumonia and Respiratory Infections
  • COVID-19 and Mental Health
  • COVID-19 Impact on Reproduction
  • Vaccine Coverage and Hesitancy

The scientist has published recent papers including:

  • "Universal use of face masks for success against COVID-19: evidence and implications for prevention policies" (2020), published in the European Respiratory Journal
  • "School Closure During the Coronavirus Disease 2019 (COVID-19) Pandemic" (2020), published in JAMA Pediatrics
  • "Epidemiology of Respiratory Infections during the COVID-19 Pandemic" (2023), published in Viruses
  • "Chloroquine or hydroxychloroquine for prophylaxis of COVID-19" (2020), published in The Lancet Infectious Diseases
  • "To mask or not to mask children to overcome COVID-19" (2020), published in the European Journal of Pediatrics

Nicola Principi's frequent collaborators include Susanna Esposito, Alberto Argentiero, Annamaria Staiano, Elisabetta Venturini, and Caterina Caminiti.

Their work often appears in journals such as Antibiotics, Vaccines, The Italian Journal of Pediatrics, Microorganisms, and Frontiers in Immunology.

Best Publications

  • Mother-to-infant transmission of hepatitis C virus

    A.R. Zanetti;S. Paccagnini;N. Principi;G. Pizzocolo

  • The mode of delivery and the risk of vertical transmission of human immunodeficiency virus type 1--a meta-analysis of 15 prospective cohort studies.

    W. Andiman;M. Boucher;D. Burns;Y. Bryson

  • PROGNOSTIC FACTORS AND SURVIVAL IN CHILDREN WITH PERINATAL HIV-1 INFECTION

    P.A Tovo;C Gabiano;E Palomba;M de Martino

  • Advantages and Limitations of Bacteriophages for the Treatment of Bacterial Infections.

    Nicola Principi;Ettore Silvestri;Susanna Esposito

  • Role of Mycoplasma pneumoniae and Chlamydia pneumoniae in Children with Community-Acquired Lower Respiratory Tract Infections

    Nicola Principi;Susanna Esposito;Francesco Blasi;Luigi Allegra

  • Immunogenicity and Tolerability of Recombinant Serogroup B Meningococcal Vaccine Administered With or Without Routine Infant Vaccinations According to Different Immunization Schedules: A Randomized Controlled Trial

    Nicoletta Gossger;Matthew D. Snape;Ly-Mee Yu;Adam Finn

  • Bronchopulmonary dysplasia: clinical aspects and preventive and therapeutic strategies.

    Nicola Principi;Giada Maria Di Pietro;Susanna Esposito

  • Importance of acute Mycoplasma pneumoniae and Chlamydia pneumoniae infections in children with wheezing

    Susanna Maria Roberta Esposito;F. Blasi;C. Arosio;L. Fioravanti

  • Risk factors for carriage of respiratory pathogens in the nasopharynx of healthy children

    Nicola Principi;Paola Marchisio;Gian Carlo Schito;Stefania Mannelli

  • Universal use of face masks for success against COVID-19: evidence and implications for prevention policies.

    Susanna Esposito;Nicola Principi;Chi Chi Leung;Giovanni Battista Migliori

  • Emerging role of Mycoplasma pneumoniae and Chlamydia pneumoniae in paediatric respiratory- tract infections

    Nicola Principi;Susanna Esposito

  • Hand, foot and mouth disease: current knowledge on clinical manifestations, epidemiology, aetiology and prevention.

    Susanna Esposito;Nicola Principi

  • Mycoplasma pneumoniae and Chlamydia pneumoniae cause lower respiratory tract disease in paediatric patients.

    Nicola Principi;Susanna Esposito

  • Socioeconomic impact of influenza on healthy children and their families.

    Nicola Principi;Susanna Esposito;Paola Marchisio;Roberto Gasparini

  • Perinatal transmission and manifestation of hepatitis C virus infection in a high risk population.

    Susanna Paccagnini;Nicola Principi;Emilia Massironi;Elisabetta Tanzi

  • Increased Risk of Maternal-Infant Hepatitis C Virus Transmission for Women Coinfected with Human Immunodeficiency Virus Type 1

    Pier Angelo Tovo;Elvia Palomba;Gabriele Ferraris;Nicola Principi

  • Immune history shapes specificity of pandemic H1N1 influenza antibody responses

    Yang Li;Jaclyn L. Myers;David L. Bostick;Colleen B. Sullivan

  • Safety and Immunogenicity of a 13-Valent Pneumococcal Conjugate Vaccine Compared to Those of a 7-Valent Pneumococcal Conjugate Vaccine Given as a Three-Dose Series with Routine Vaccines in Healthy Infants and Toddlers

    Susanna Esposito;Susan Tansey;Allison Thompson;Ahmad Razmpour

  • Mother-to-Child Transmission of Hepatitis C Virus Detected by Nested Polymerase Chain Reaction

    Roberto Novati;Valerie Thiers;Antonella D Arminio Monforte;Pascale Maisonneuve

  • Tuberculosis in children

    Ben J Marais

Frequent Co-Authors

Susanna Esposito
Susanna Esposito University of Parma
Mario Clerici
Mario Clerici University of Milan
Antonio Piralla
Antonio Piralla Policlinico San Matteo Fondazione
Fausto Baldanti
Fausto Baldanti University of Pavia
Daria Trabattoni
Daria Trabattoni University of Milan
Pier-Angelo Tovo
Pier-Angelo Tovo University of Turin
Stefano Vella
Stefano Vella Istituto Superiore di Sanità
Massimo Galli
Massimo Galli University of Milan
Anna Marchese
Anna Marchese University of Genoa
Alessandro Plebani
Alessandro Plebani University of Brescia

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