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Author: Abdullatif Al Khal

  • Most recently observed institution: Hamad Medical Corporation

Rankings

  • All-time downloads: 166,001 (rank: 889 )
  • Categories:
    • epidemiology: 160,375 (rank: 134 )
    • infectious diseases: 691 (rank: 44,615 (tie) )

Downloads per author, site-wide

Preprints

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

epidemiology more details view paper
  • Downloaded 47,091 times
  • Download rankings, all-time:
    • Site-wide: 202
    • In epidemiology: 49
  • Year to date:
    • Site-wide: 200
  • Since beginning of last month:
    • Site-wide: 1,196

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

epidemiology more details view paper
  • Downloaded 16,387 times
  • Download rankings, all-time:
    • 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

epidemiology more details view paper
  • Downloaded 15,775 times
  • Download rankings, all-time:
    • Site-wide: 749
    • In epidemiology: 114
  • Year to date:
    • Site-wide: 1,332
  • Since beginning of last month:
    • 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
  • Download rankings, all-time:
    • Site-wide: 850
    • In epidemiology: 128
  • Year to date:
    • Site-wide: 86
  • Since beginning of last month:
    • Site-wide: 6,543

SARS-CoV-2 reinfection in a cohort of 43,000 antibody-positive individuals followed for up to 35 weeks

epidemiology more details view paper
  • Downloaded 13,497 times
  • Download rankings, all-time:
    • Site-wide: 918
    • In epidemiology: 135
  • Year to date:
    • Site-wide: 3,982
  • Since beginning of last month:
    • Site-wide: 9,716

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

epidemiology more details view paper
  • Downloaded 11,373 times
  • Download rankings, all-time:
    • Site-wide: 1,156
    • In epidemiology: 158
  • Year to date:
    • Site-wide: 3,417
  • Since beginning of last month:
    • Site-wide: 7,376

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

epidemiology more details view paper
  • Downloaded 11,361 times
  • Download rankings, all-time:
    • Site-wide: 1,160
    • In epidemiology: 183
  • Year to date:
    • Site-wide: 123
  • Since beginning of last month:
    • Site-wide: 446

Protection afforded by the BNT162b2 and mRNA-1273 COVID-19 vaccines in fully vaccinated cohorts with and without prior infection

epidemiology more details view paper
  • Downloaded 11,169 times
  • Download rankings, all-time:
    • Site-wide: 1,187
    • In epidemiology: 166
  • Year to date:
    • Site-wide: 4,235
  • Since beginning of last month:
    • Site-wide: 11,424

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

epidemiology more details view paper
  • Downloaded 6,063 times
  • Download rankings, all-time:
    • Site-wide: 2,640
    • In epidemiology: 311
  • Year to date:
    • Site-wide: 254
  • Since beginning of last month:
    • Site-wide: 9,826

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

epidemiology more details view paper
  • Downloaded 3,629 times
  • Download rankings, all-time:
    • Site-wide: 5,364
    • In epidemiology: 517
  • Year to date:
    • Site-wide: 485
  • Since beginning of last month:
    • Site-wide: 17,920

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

epidemiology more details view paper
  • Downloaded 2,433 times
  • Download rankings, all-time:
    • Site-wide: 9,682
    • In epidemiology: 770
  • Year to date:
    • Site-wide: 54,134
  • Since beginning of last month:
    • Site-wide: 98,145

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

epidemiology more details view paper
  • Downloaded 1,510 times
  • Download rankings, all-time:
    • Site-wide: 20,128
    • In epidemiology: 1,305
  • Year to date:
    • Site-wide: 83,515
  • Since beginning of last month:
    • Site-wide: 101,444

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

epidemiology more details view paper
  • Downloaded 1,416 times
  • Download rankings, all-time:
    • 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
  • Download rankings, all-time:
    • 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

epidemiology more details view paper
  • 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

epidemiology more details view paper
  • Downloaded 807 times
  • Download rankings, all-time:
    • Site-wide: 53,226
    • In epidemiology: 2,643
  • Year to date:
    • Site-wide: 63,948
  • Since beginning of last month:
    • Site-wide: 77,080

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

epidemiology more details view paper
  • Downloaded 771 times
  • Download rankings, all-time:
    • 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

epidemiology more details view paper
  • Downloaded 761 times
  • Download rankings, all-time:
    • 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

epidemiology more details view paper
  • Downloaded 752 times
  • Download rankings, all-time:
    • 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
  • Download rankings, all-time:
    • 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

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

epidemiology more details view paper
  • Downloaded 679 times
  • Download rankings, all-time:
    • 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

epidemiology more details view paper
  • Downloaded 663 times
  • Download rankings, all-time:
    • Site-wide: 70,644
    • In epidemiology: 3,207
  • Year to date:
    • Site-wide: 68,306
  • Since beginning of last month:
    • Site-wide: 105,145

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

epidemiology more details view paper
  • Downloaded 544 times
  • Download rankings, all-time:
    • Site-wide: 90,734
    • In epidemiology: 3,913
  • Year to date:
    • Site-wide: 93,677
  • Since beginning of last month:
    • 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
  • Download rankings, all-time:
    • Site-wide: 96,076
    • In epidemiology: 4,165
  • Year to date:
    • Site-wide: 36,915
  • Since beginning of last month:
    • 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
  • Download rankings, all-time:
    • Site-wide: 101,468
    • In epidemiology: 4,360
  • Year to date:
    • Site-wide: 131,163
  • Since beginning of last month:
    • 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
  • Download rankings, all-time:
    • Site-wide: 130,191
    • In epidemiology: 5,368
  • Year to date:
    • Site-wide: 165,973
  • Since beginning of last month:
    • Site-wide: 181,100

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

epidemiology more details view paper
  • Downloaded 234 times
  • Download rankings, all-time:
    • Site-wide: 173,352
    • In epidemiology: 7,009
  • Year to date:
    • Site-wide: 95,977
  • Since beginning of last month:
    • Site-wide: 71,644

Real-Time SARS-CoV-2 Genotyping by High-Throughput Multiplex PCR Reveals the Epidemiology of the Variants of Concern in Qatar

epidemiology more details view paper
  • Downloaded 233 times
  • Download rankings, all-time:
    • Site-wide: 173,438
    • In epidemiology: 6,951
  • Year to date:
    • Site-wide: 150,292
  • Since beginning of last month:
    • Site-wide: 182,398

First characterisation of antimicrobial susceptibility and resistance of Neisseria gonorrhoeae isolates in Qatar, 2017-2020

epidemiology more details view paper
  • Downloaded 155 times
  • Download rankings, all-time:
    • Site-wide: 191,501
    • In epidemiology: 7,492
  • Year to date:
    • Site-wide: 124,488
  • Since beginning of last month:
    • Site-wide: 143,289

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