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Author: Hamad Eid Al-Romaihi

Rankings

  • All-time downloads: 236,170 (rank: 450 )
  • Categories:
    • epidemiology: 223,279 (rank: 59 )
    • infectious diseases: 691 (rank: 44,615 (tie) )
    • public and global health: 1,180 (rank: 5,699 (tie) )

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Preprints

Long-term COVID-19 booster effectiveness by infection history and clinical vulnerability and immune imprinting

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Waning of BNT162b2 vaccine protection against SARS-CoV-2 infection in Qatar

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  • Downloaded 47,091 times
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    • Site-wide: 202
    • In epidemiology: 49
  • Year to date:
    • Site-wide: 200
  • Since beginning of last month:
    • Site-wide: 1,196

Duration of immune protection of SARS-CoV-2 natural infection against reinfection in Qatar

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  • Downloaded 34,309 times
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    • Site-wide: 306
    • In epidemiology: 69
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    • Site-wide: 23
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    • Site-wide: 155

Assessment of the risk of SARS-CoV-2 reinfection in an intense re-exposure setting

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  • Downloaded 16,387 times
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    • Site-wide: 719
    • In epidemiology: 109
  • Year to date:
    • Site-wide: 9,588
  • Since beginning of last month:
    • Site-wide: 34,924

BNT162b2 and mRNA-1273 COVID-19 vaccine effectiveness against the Delta (B.1.617.2) variant in Qatar

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  • Downloaded 15,775 times
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    • Site-wide: 749
    • In epidemiology: 114
  • Year to date:
    • Site-wide: 1,332
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    • Site-wide: 7,015

Protection afforded by prior infection against SARS-CoV-2 reinfection with the Omicron variant

epidemiology more details view paper
  • Downloaded 14,347 times
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    • Site-wide: 850
    • In epidemiology: 128
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    • Site-wide: 86
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SARS-CoV-2 reinfection in a cohort of 43,000 antibody-positive individuals followed for up to 35 weeks

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  • Downloaded 13,497 times
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    • Site-wide: 918
    • In epidemiology: 135
  • Year to date:
    • Site-wide: 3,982
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    • Site-wide: 9,716

Effect of vaccination and of prior infection on infectiousness of vaccine breakthrough infections and reinfections

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  • Downloaded 11,373 times
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    • Site-wide: 1,156
    • In epidemiology: 158
  • Year to date:
    • Site-wide: 3,417
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    • Site-wide: 7,376

Protection of SARS-CoV-2 natural infection against reinfection with the BA.4 or BA.5 Omicron subvariants

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  • Downloaded 11,361 times
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    • Site-wide: 1,160
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    • Site-wide: 123
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Protection afforded by the BNT162b2 and mRNA-1273 COVID-19 vaccines in fully vaccinated cohorts with and without prior infection

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  • Downloaded 11,169 times
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    • Site-wide: 1,187
    • In epidemiology: 166
  • Year to date:
    • Site-wide: 4,235
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    • Site-wide: 11,424

Effect of prior infection, vaccination, and hybrid immunity against symptomatic BA.1 and BA.2 Omicron infections and severe COVID-19 in Qatar

epidemiology more details view paper
  • Downloaded 7,933 times
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    • Site-wide: 1,817
    • In epidemiology: 240
  • Year to date:
    • Site-wide: 186
  • Since beginning of last month:
    • Site-wide: 2,394

Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA.1 and BA.2 subvariants in Qatar

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  • Downloaded 6,817 times
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    • Site-wide: 2,253
    • In epidemiology: 281
  • Year to date:
    • Site-wide: 227
  • Since beginning of last month:
    • Site-wide: 3,321

Protection of prior natural infection compared to mRNA vaccination against SARS-CoV-2 infection and severe COVID-19 in Qatar

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  • Downloaded 6,500 times
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    • Site-wide: 2,388
    • In epidemiology: 288
  • Year to date:
    • Site-wide: 234
  • Since beginning of last month:
    • Site-wide: 6,567

Duration of protection of BNT162b2 and mRNA-1273 COVID-19 vaccines against symptomatic SARS-CoV-2 Omicron infection in Qatar

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  • Downloaded 6,063 times
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    • Site-wide: 2,640
    • In epidemiology: 311
  • Year to date:
    • Site-wide: 254
  • Since beginning of last month:
    • Site-wide: 9,826

Effectiveness of influenza vaccination against SARS-CoV-2 infection among healthcare workers in Qatar

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  • Downloaded 5,005 times
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    • Site-wide: 3,404
    • In epidemiology: 391
  • Year to date:
    • Site-wide: 324
  • Since beginning of last month:
    • Site-wide: 2,893

Effects of BA.1/BA.2 subvariant, vaccination, and prior infection on infectiousness of SARS-CoV-2 Omicron infections

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  • Downloaded 3,629 times
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    • Site-wide: 5,364
    • In epidemiology: 517
  • Year to date:
    • Site-wide: 485
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    • Site-wide: 17,920

Effectiveness of BNT162b2 and mRNA-1273 COVID-19 boosters against SARS-CoV-2 Omicron (B.1.1.529) infection in Qatar

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  • Downloaded 3,502 times
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    • Site-wide: 5,666
    • In epidemiology: 537
  • Year to date:
    • Site-wide: 510
  • Since beginning of last month:
    • Site-wide: 17,645

Protection of Omicron sub-lineage infection against reinfection with another Omicron sub-lineage

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  • Downloaded 3,433 times
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    • Site-wide: 5,844
    • In epidemiology: 549
  • Year to date:
    • Site-wide: 532
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    • Site-wide: 20,357

Characterizing the Qatar advanced-phase SARS-CoV-2 epidemic

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  • Downloaded 2,433 times
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    • Site-wide: 9,682
    • In epidemiology: 770
  • Year to date:
    • Site-wide: 54,134
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    • Site-wide: 98,145

Evidence for and level of herd immunity against SARS-CoV-2 infection: the ten-community study

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  • Downloaded 1,510 times
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    • Site-wide: 20,128
    • In epidemiology: 1,305
  • Year to date:
    • Site-wide: 83,515
  • Since beginning of last month:
    • Site-wide: 101,444

Duration of COVID-19 mRNA Vaccine Effectiveness against Severe Disease

public and global health more details view paper
  • Downloaded 1,432 times
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    • Site-wide: 21,881
    • In public and global health: 600
  • Year to date:
    • Site-wide: 1,943
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    • Site-wide: 13,288

SARS-CoV-2 vaccine effectiveness in immunosuppressed kidney transplant recipients

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  • Downloaded 1,416 times
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    • Site-wide: 22,277
    • In epidemiology: 1,481
  • Year to date:
    • Site-wide: 11,983
  • Since beginning of last month:
    • Site-wide: 15,348

Waning of mRNA-1273 vaccine effectiveness against SARS-CoV-2 infection in Qatar

epidemiology more details view paper
  • Downloaded 1,146 times
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    • Site-wide: 31,169
    • In epidemiology: 1,778
  • Year to date:
    • Site-wide: 9,834
  • Since beginning of last month:
    • Site-wide: 46,829

Protection offered by mRNA-1273 versus BNT162b2 vaccines against SARS-CoV-2 infection and severe COVID-19 in Qatar

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  • Downloaded 1,092 times
  • Download rankings, all-time:
    • Site-wide: 33,558
    • In epidemiology: 1,854
  • Year to date:
    • Site-wide: 39,139
  • Since beginning of last month:
    • Site-wide: 84,744

Seroprevalence of SARS-CoV-2 infection in the craft and manual worker population of Qatar

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  • Downloaded 807 times
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    • Site-wide: 53,226
    • In epidemiology: 2,643
  • Year to date:
    • Site-wide: 63,948
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    • Site-wide: 77,080

SARS-CoV-2 infection hospitalization, severity, criticality, and fatality rates

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  • Downloaded 771 times
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    • Site-wide: 56,873
    • In epidemiology: 3,018
  • Year to date:
    • Site-wide: 37,992
  • Since beginning of last month:
    • Site-wide: 31,176

Assessing the performance of a serological point-of-care test in measuring detectable antibodies against SARS-CoV-2

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  • Downloaded 761 times
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    • Site-wide: 57,914
    • In epidemiology: 3,276
  • Year to date:
    • Site-wide: 11,946
  • Since beginning of last month:
    • Site-wide: 37,620

Severity, criticality, and fatality of the SARS-CoV-2 Beta variant

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  • Downloaded 752 times
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    • Site-wide: 58,963
    • In epidemiology: 2,786
  • Year to date:
    • Site-wide: 55,886
  • Since beginning of last month:
    • Site-wide: 182,228

Characterization of the SARS-CoV-2 outbreak in the State of Qatar, February 28-April 18, 2020

infectious diseases more details view paper
  • Downloaded 719 times
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    • Site-wide: 62,944
    • In infectious diseases: 4,154
  • Year to date:
    • Site-wide: 121,221
  • Since beginning of last month:
    • Site-wide: 156,663

Effectiveness of the BNT162b2 vaccine against SARS-CoV-2 infection among children and adolescents in Qatar

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  • Downloaded 714 times
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    • Site-wide: 63,618
    • In epidemiology: 4,101
  • Year to date:
    • Site-wide: 5,938
  • Since beginning of last month:
    • Site-wide: 5,275

Estimating protection afforded by prior infection in preventing reinfection: Applying the test-negative study design

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  • Downloaded 679 times
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    • Site-wide: 68,238
    • In epidemiology: 3,504
  • Year to date:
    • Site-wide: 6,462
  • Since beginning of last month:
    • Site-wide: 18,198

Are commercial antibody assays substantially underestimating SARS-CoV-2 ever infection? An analysis on a population-based sample in a high exposure setting

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  • Downloaded 663 times
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    • Site-wide: 70,644
    • In epidemiology: 3,207
  • Year to date:
    • Site-wide: 68,306
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    • Site-wide: 105,145

Mathematical modeling of the SARS-CoV-2 epidemic in Qatar and its impact on the national response to COVID-19

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  • Downloaded 544 times
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    • Site-wide: 90,734
    • In epidemiology: 3,913
  • Year to date:
    • Site-wide: 93,677
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    • Site-wide: 170,164

COVID-19 risk score as a public health tool to guide targeted testing: A demonstration study in Qatar

epidemiology more details view paper
  • Downloaded 518 times
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    • Site-wide: 96,076
    • In epidemiology: 4,165
  • Year to date:
    • Site-wide: 36,915
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    • Site-wide: 95,477

SARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals

epidemiology more details view paper
  • Downloaded 494 times
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    • Site-wide: 101,468
    • In epidemiology: 4,360
  • Year to date:
    • Site-wide: 131,163
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    • Site-wide: 171,191

Epidemiological impact of prioritizing SARS-CoV-2 vaccination by antibody status: Mathematical modeling analyses

epidemiology more details view paper
  • Downloaded 382 times
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    • Site-wide: 130,191
    • In epidemiology: 5,368
  • Year to date:
    • Site-wide: 165,973
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    • Site-wide: 181,100

Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections

epidemiology more details view paper
  • Downloaded 380 times
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    • Site-wide: 130,879
    • In epidemiology: 5,604
  • Year to date:
    • Site-wide: 17,081
  • Since beginning of last month:
    • Site-wide: 111,869

Immune protection against SARS-CoV-2 re-reinfection and immune imprinting

epidemiology more details view paper
  • Downloaded 377 times
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    • Site-wide: 131,778
    • In epidemiology: None
  • Year to date:
    • Site-wide: 17,270
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    • Site-wide: 13,579

Characterizing the effective reproduction number during the COVID-19 epidemic: Insights from Qatar experience

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  • Downloaded 234 times
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    • In epidemiology: 7,009
  • Year to date:
    • Site-wide: 95,977
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First characterisation of antimicrobial susceptibility and resistance of Neisseria gonorrhoeae isolates in Qatar, 2017-2020

epidemiology more details view paper
  • Downloaded 155 times
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    • Site-wide: 191,501
    • In epidemiology: 7,492
  • Year to date:
    • Site-wide: 124,488
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