Chart description: july and january saw peaks in cases. with a decline in oct/nov. each month seems to have its own peak then fall.

Chart data: Month Number of cases Feb 27, 2020 1 Feb 28, 2020 0 Feb 29, 2020 0 Mar 01, 2020 0 Mar 02, 2020 0 Mar 03, 2020 0 Mar 04, 2020 0 Mar 05, 2020 0 Mar 06, 2020 0 Mar 07, 2020 0 Mar 08, 2020 1 Mar 09, 2020 0 Mar 10, 2020 0 Mar 11, 2020 0 Mar 12, 2020 0 Mar 13, 2020 0 Mar 14, 2020 0 Mar 15, 2020 0 Mar 16, 2020 1 Mar 17, 2020 5 Mar 18, 2020 0 Mar 19, 2020 4 Mar 20, 2020 10 Mar 21, 2020 8 Mar 22, 2020 10 Mar 23, 2020 4 Mar 24, 2020 7 Mar 25, 2020 14 Mar 26, 2020 5 Mar 27, 2020 19 Mar 28, 2020 22 Mar 29, 2020 20 Mar 30, 2020 4 Mar 31, 2020 39 Apr 01, 2020 10 Apr 02, 2020 26 Apr 03, 2020 4 Apr 04, 2020 18 Apr 05, 2020 6 Apr 06, 2020 16 Apr 07, 2020 22 Apr 08, 2020 12 Apr 09, 2020 17 Apr 10, 2020 13 Apr 11, 2020 5 Apr 12, 2020 20 Apr 13, 2020 30 Apr 14, 2020 34 Apr 15, 2020 35 Apr 16, 2020 51 Apr 17, 2020 49 Apr 18, 2020 85 Apr 19, 2020 38 Apr 20, 2020 0 Apr 21, 2020 208 Apr 22, 2020 108 Apr 23, 2020 114 Apr 24, 2020 87 Apr 25, 2020 91 Apr 26, 2020 64 Apr 27, 2020 195 Apr 28, 2020 196 Apr 29, 2020 204 Apr 30, 2020 238 May 01, 2020 218 May 02, 2020 170 May 03, 2020 244 May 04, 2020 148 May 05, 2020 195 May 06, 2020 381 May 07, 2020 386 May 08, 2020 239 May 09, 2020 248 May 10, 2020 242 May 11, 2020 146 May 12, 2020 184 May 13, 2020 191 May 14, 2020 288 May 15, 2020 171 May 16, 2020 338 May 17, 2020 216 May 18, 2020 226 May 19, 2020 276 May 20, 2020 339 May 21, 2020 245 May 22, 2020 265 May 23, 2020 313 May 24, 2020 229 May 25, 2020 276 May 26, 2020 389 May 27, 2020 182 May 28, 2020 387 May 29, 2020 553 May 30, 2020 307 May 31, 2020 416 Jun 01, 2020 241 Jun 02, 2020 347 Jun 03, 2020 350 Jun 04, 2020 328 Jun 05, 2020 389 Jun 06, 2020 253 Jun 07, 2020 315 Jun 08, 2020 663 Jun 09, 2020 409 Jun 10, 2020 681 Jun 11, 2020 627 Jun 12, 2020 501 Jun 13, 2020 403 Jun 14, 2020 573 Jun 15, 2020 490 Jun 16, 2020 587 Jun 17, 2020 745 Jun 18, 2020 667 Jun 19, 2020 661 Jun 20, 2020 436 Jun 21, 2020 675 Jun 22, 2020 452 Jun 23, 2020 649 Jun 24, 2020 594 Jun 25, 2020 684 Jun 26, 2020 779 Jun 27, 2020 490 Jun 28, 2020 566 Jun 29, 2020 561 Jun 30, 2020 790 Jul 01, 2020 626 Jul 02, 2020 454 Jul 03, 2020 603 Jul 04, 2020 544 Jul 05, 2020 575 Jul 06, 2020 503 Jul 07, 2020 460 Jul 08, 2020 499 Jul 09, 2020 575 Jul 10, 2020 664 Jul 11, 2020 571 Jul 12, 2020 595 Jul 13, 2020 463 Jul 14, 2020 643 Jul 15, 2020 595 Jul 16, 2020 600 Jul 17, 2020 653 Jul 18, 2020 556 Jul 19, 2020 562 Jul 20, 2020 576 Jul 21, 2020 543 Jul 22, 2020 604 Jul 23, 2020 591 Jul 24, 2020 438 Jul 25, 2020 555 Jul 26, 2020 648 Jul 27, 2020 624 Jul 28, 2020 404 Jul 29, 2020 481 Jul 30, 2020 462 Jul 31, 2020 386 Aug 01, 2020 304 Aug 02, 2020 288 Aug 03, 2020 304 Aug 04, 2020 457 Aug 05, 2020 354 Aug 06, 2020 443 Aug 07, 2020 453 Aug 08, 2020 437 Aug 09, 2020 290 Aug 10, 2020 423 Aug 11, 2020 453 Aug 12, 2020 373 Aug 13, 2020 329 Aug 14, 2020 325 Aug 15, 2020 298 Aug 16, 2020 417 Aug 17, 2020 410 Aug 18, 2020 593 Aug 19, 2020 476 Aug 20, 2020 340 Aug 21, 2020 601 Aug 22, 2020 322 Aug 23, 2020 321 Aug 24, 2020 252 Aug 25, 2020 221 Aug 26, 2020 296 Aug 27, 2020 160 Aug 28, 2020 250 Aug 29, 2020 138 Aug 30, 2020 143 Aug 31, 2020 239 Sep 01, 2020 216 Sep 02, 2020 125 Sep 03, 2020 155 Sep 04, 2020 162 Sep 05, 2020 100 Sep 06, 2020 155 Sep 07, 2020 296 Sep 08, 2020 176 Sep 09, 2020 197 Sep 10, 2020 188 Sep 11, 2020 160 Sep 12, 2020 79 Sep 13, 2020 132 Sep 14, 2020 90 Sep 15, 2020 126 Sep 16, 2020 131 Sep 17, 2020 221 Sep 18, 2020 189 Sep 19, 2020 97 Sep 20, 2020 195 Sep 21, 2020 176 Sep 22, 2020 111 Sep 23, 2020 125 Sep 24, 2020 213 Sep 25, 2020 136 Sep 26, 2020 126 Sep 27, 2020 136 Sep 28, 2020 187 Sep 29, 2020 201 Sep 30, 2020 153 Oct 01, 2020 126 Oct 02, 2020 160 Oct 03, 2020 58 Oct 04, 2020 120 Oct 05, 2020 118 Oct 06, 2020 155 Oct 07, 2020 103 Oct 08, 2020 151 Oct 09, 2020 111 Oct 10, 2020 163 Oct 11, 2020 164 Oct 12, 2020 225 Oct 13, 2020 179 Oct 14, 2020 148 Oct 15, 2020 212 Oct 16, 2020 113 Oct 17, 2020 133 Oct 18, 2020 118 Oct 19, 2020 72 Oct 20, 2020 37 Oct 21, 2020 138 Oct 22, 2020 77 Oct 23, 2020 48 Oct 24, 2020 62 Oct 25, 2020 119 Oct 26, 2020 113 Oct 27, 2020 147 Oct 28, 2020 150 Oct 29, 2020 170 Oct 30, 2020 162 Oct 31, 2020 111 Nov 01, 2020 72 Nov 02, 2020 137 Nov 03, 2020 155 Nov 04, 2020 180 Nov 05, 2020 223 Nov 06, 2020 59 Nov 07, 2020 300 Nov 08, 2020 94 Nov 09, 2020 152 Nov 10, 2020 180 Nov 11, 2020 212 Nov 12, 2020 156 Nov 13, 2020 112 Nov 14, 2020 152 Nov 15, 2020 157 Nov 16, 2020 152 Nov 17, 2020 236 Nov 18, 2020 146 Nov 19, 2020 143 Nov 20, 2020 246 Nov 21, 2020 155 Nov 22, 2020 56 Nov 23, 2020 168 Nov 24, 2020 198 Nov 25, 2020 169 Nov 26, 2020 246 Nov 27, 2020 110 Nov 28, 2020 82 Nov 29, 2020 145 Nov 30, 2020 281 Dec 01, 2020 122 Dec 02, 2020 343 Dec 03, 2020 324 Dec 04, 2020 310 Dec 05, 2020 318 Dec 06, 2020 390 Dec 07, 2020 550 Dec 08, 2020 474 Dec 09, 2020 675 Dec 10, 2020 796 Dec 11, 2020 617 Dec 12, 2020 418 Dec 13, 2020 199 Dec 14, 2020 758 Dec 15, 2020 930 Dec 16, 2020 1145 Dec 17, 2020 806 Dec 18, 2020 920 Dec 19, 2020 501 Dec 20, 2020 356 Dec 21, 2020 999 Dec 22, 2020 1133 Dec 23, 2020 1041 Dec 24, 2020 784 Dec 25, 2020 829 Dec 26, 2020 838 Dec 27, 2020 397 Dec 28, 2020 749 Dec 29, 2020 1016 Dec 30, 2020 1031 Dec 31, 2020 980 Jan 01, 2021 576 Jan 02, 2021 917

Vega-Lite specification:
{"config": {"range": {"category": ["#4c78a8", "#9ecae9", "#f58518", "#ffbf79", "#54a24b", "#88d27a", "#b79a20", "#f2cf5b", "#439894", "#83bcb6", "#e45756", "#ff9d98", "#79706e", "#bab0ac", "#d67195", "#fcbfd2", "#b279a2", "#d6a5c9", "#9e765f", "#d8b5a5"]}}, "data": {"url": "data/12668.tsv"}, "mark": "line", "encoding": {"color": {"value": "#d67195"}, "x": {"type": "temporal", "axis": {"labelAngle": 60}, "bin": false, "field": "Month"}, "y": {"type": "quantitative", "axis": {"labelAngle": 60, "title": "Number of cases"}, "field": "Number of cases"}}, "title": ["Number of new daily coronavirus (COVID-19)", "cases in Nigeria from February 2020 to January", "3 , 2021"], "$schema": "https://vega.github.io/schema/vega-lite/v4.8.1.json"}