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. 2024 Sep 9;12(9):1863. doi: 10.3390/microorganisms12091863

Table 2.

A search for relevant words from SARS-CoV-2 in various databases. Each database was searched on 24 July 2024.

PubMed (All) PubMed (Since 2020) Google Scholar (All) Google Scholar (Since 2020) Google (All) Ratio Google to PubMed (Since 2020)
surface glycoprotein 788,636 92,484 1,840,000 26,700 45,000,000 487
Membrane glycoprotein 786,289 91,863 1,920,000 24,200 38,400,000 418
COVID-19 438,172 292,493 5,040,000 1,020,000 6,400,000,000 21,881
pandemic 274,892 171,320 4,220,000 683,000 1,510,000,000 8814
SARS-CoV-2 231,386 186,717 2,500,000 781,000 459,000,000 2458
viral genome 117,243 19,241 4,220,000 30,400 120,000,000 6237
viral genotype 64,224 10,674 2,130,000 16,700 23,500,000 2202
Envelope protein 52,391 5939 2,110,000 23,900 46,300,000 7796
RNA-directed RNA polymerase 38,009 4142 35,100 7190 40,200,000 9705
Helicase 36,622 7834 332,000 25,200 19,500,000 2489
Nucleocapsid 28,311 5146 208,000 27,500 7,970,000 1549
surface glycoprotein spike 9146 2269 91,900 18,200 1,210,000 533
papain like protease 2031 574 95,100 17,000 776,000 1352
3C like protease 1580 986 850,000 16,300 8,810,000 8935
Nucleocapsid phosphoprotein 1452 694 19,700 6350 131,000 189
nsp2 1180 302 20,800 8450 459,000 1520
nsp1 1124 324 26,600 12,400 428,000 1321
nsp3 1049 377 20,500 11,700 269,000 714
nsp4 949 203 17,000 6880 208,000 1025
ORF1ab 676 448 17,900 17,400 307,000 685
ORF6 542 131 16,700 7070 192,000 1466
nsp12 483 329 10,600 8830 470,000 1429
nsp5 478 174 11,600 6780 212,000 1218
ORF3a 380 240 8840 8040 145,000 604
nsp14 301 169 7940 6430 235,000 1391
nsp13 256 154 7280 6080 540,000 3506
nsp10 254 136 6640 4640 176,000 1294
2′-O-methyltransferase 237 65 130,000 18,500 16,800,000 258,462
nsp16 230 123 6880 5690 169,000 1374
nsp15 215 118 6030 4910 224,000 1898
nsp7 205 114 6920 5260 189,000 1658
nsp9 200 96 5350 3500 189,000 1969
nsp8 191 116 6850 5170 136,000 1172
ORF10 190 67 8350 4450 73,900 1103
ORF7a 189 114 5350 4830 96,300 845
Guanine-N7 methyltransferase 175 34 2230 1070 53,700 1579
nsp6 170 89 7660 4880 152,000 1708
Uridylate-specific endoribonuclease 86 58 745 480 17,200 297