Global Words - Syntax Analysis


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Box 1. Top 30 Words cited in Abstracts in COVID-19 literature.

Word Frequency
pandemic 54183
disease 49770
health 44194
during 36519
study 33816
infection 32435
clinical 30975
care 29374
severe 28116
respiratory 26438
risk 25854
Word Frequency
treatment 20656
acute 20529
associated 18244
virus 17217
symptoms 16467
syndrome 16065
mortality 15326
studies 14818
viral 14069
hospital 13964
medical 13794
Word Frequency
public 13549
analysis 13423
social 13382
positive 12902
compared 12484
potential 12178
measures 12010
impact 11895
significant 11818
outbreak 11801
age 11741


Categoric Words - Syntax Analysis


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Box 2. Top 30 Words cited in Abstracts in COVID-19 literature.

Diagnose Frequency Treatment Frequency Epidemiology Frequency Transmission Frequency Clinical* Frequency
disease 8280 treatment 20574 disease 4055 transmission 10980 disease 35523
diagnosis 7701 disease 17844 clinical 3032 disease 6306 pandemic 33958
clinical 6654 pandemic 14019 epidemiological 2852 pandemic 5586 clinical 30890
pandemic 6233 clinical 13684 health 2763 infection 5386 health 28256
infection 5770 severe 11375 infection 2688 health 5226 study 24810
study 4948 care 11135 pandemic 2579 during 4266 during 23741
respiratory 4612 infection 11104 severe 2069 respiratory 4089 infection 23191
health 4468 respiratory 9839 respiratory 2043 virus 3847 severe 20941
severe 4417 health 9510 study 1992 risk 3820 care 20286
during 4373 during 9421 risk 1700 study 3345 respiratory 19519
diagnostic 4294 study 9302 transmission 1612 measures 3006 risk 17792
treatment 4221 risk 8127 during 1609 severe 2925 symptoms 16433
care 3668 acute 7956 symptoms 1502 care 2874 treatment 15551
symptoms 3571 therapy 6835 virus 1402 clinical 2719 acute 14756
acute 3512 syndrome 6352 acute 1306 spread 2700 associated 13254
risk 3208 mortality 5733 confirmed 1253 control 2521 virus 11712
positive 3051 associated 5527 epidemic 1218 viral 2476 syndrome 11695
syndrome 2740 virus 5433 spread 1214 acute 2352 studies 11444
testing 2671 studies 5276 age 1196 public 2300 mortality 11080
virus 2554 hospital 5246 epidemiology 1190 outbreak 2156 viral 10255
test 2550 viral 4962 care 1188 syndrome 2152 hospital 10181
hospital 2514 symptoms 4908 syndrome 1184 symptoms 1977 analysis 9675
detection 2496 group 4717 outbreak 1182 social 1905 medical 9627
associated 2481 potential 4665 studies 1178 infected 1889 positive 9559
viral 2305 drugs 4415 treatment 1166 positive 1876 compared 9042
pneumonia 2265 cancer 4406 case 1155 model 1871 age 8836
studies 2142 management 4379 measures 1131 case 1841 potential 8520
medical 2140 medical 4283 control 1071 studies 1772 group 8452
tests 2125 outcomes 4229 characteristics 1065 countries 1710 outcomes 8311
mortality 2105 days 3722 mortality 1054 testing 1668 significant 8192

*Clinical, signs and symptoms