Id |
Subject |
Object |
Predicate |
Lexical cue |
T795 |
0-11 |
Sentence |
denotes |
Appendix B. |
T796 |
12-55 |
Sentence |
denotes |
Exclude clinically diagnosed cases in Hubei |
T797 |
56-144 |
Sentence |
denotes |
COVID-19 case definitions were changed in Hubei province on February 12 and February 20. |
T798 |
145-298 |
Sentence |
denotes |
Starting on February 12, COVID-19 cases could also be confirmed based on clinical diagnosis in Hubei province, in addition to molecular diagnostic tests. |
T799 |
299-418 |
Sentence |
denotes |
This resulted in a sharp increase in the number of daily new cases reported in Hubei, and in particular Wuhan (Fig. 2). |
T800 |
419-490 |
Sentence |
denotes |
The use of clinical diagnosis in confirming cases ended on February 20. |
T801 |
491-673 |
Sentence |
denotes |
The numbers of cases that are confirmed based on clinical diagnosis for February 12, 13, and 14 are reported by the Health Commission of Hubei Province and are displayed in Table 11. |
T802 |
674-785 |
Sentence |
denotes |
As a robustness check, we re-estimate the model after removing these cases from the daily case counts (Fig. 8). |
T803 |
786-826 |
Sentence |
denotes |
Our main findings still hold (Table 12). |
T804 |
827-908 |
Sentence |
denotes |
The transmission rates are significantly lower in February compared with January. |
T805 |
909-1040 |
Sentence |
denotes |
Population flow from the epidemic source increases the infections in destinations, and this effect is slightly delayed in February. |
T806 |
1041-1155 |
Sentence |
denotes |
Fig. 8 Number of daily new confirmed cases of COVID-19 in mainland China and revised case counts in Hubei Province |
T807 |
1156-1221 |
Sentence |
denotes |
Table 11 Number of cumulative clinically diagnosed cases in Hubei |
T808 |
1222-1247 |
Sentence |
denotes |
City Feb 12 Feb 13 Feb 14 |
T809 |
1248-1265 |
Sentence |
denotes |
Ezhou 155 168 189 |
T810 |
1266-1280 |
Sentence |
denotes |
Enshi 19 21 27 |
T811 |
1281-1302 |
Sentence |
denotes |
Huanggang 221 306 306 |
T812 |
1303-1320 |
Sentence |
denotes |
Huangshi 12 26 42 |
T813 |
1321-1342 |
Sentence |
denotes |
Jingmen 202 155‡ 150‡ |
T814 |
1343-1365 |
Sentence |
denotes |
Jingzhou 287 269‡ 257‡ |
T815 |
1366-1382 |
Sentence |
denotes |
Qianjiang 0 9 19 |
T816 |
1383-1396 |
Sentence |
denotes |
Shiyan 3 4 3‡ |
T817 |
1397-1411 |
Sentence |
denotes |
Suizhou 0 6 4‡ |
T818 |
1412-1429 |
Sentence |
denotes |
Tianmen 26 67 65‡ |
T819 |
1430-1453 |
Sentence |
denotes |
Wuhan 12364 14031 14953 |
T820 |
1454-1467 |
Sentence |
denotes |
Xiantao 2 2 2 |
T821 |
1468-1486 |
Sentence |
denotes |
Xianning 6 189 286 |
T822 |
1487-1502 |
Sentence |
denotes |
Xiangyang 0 0 4 |
T823 |
1503-1520 |
Sentence |
denotes |
Xiaogan 35 80 148 |
T824 |
1521-1536 |
Sentence |
denotes |
Yichang 0 51 67 |
T825 |
1537-1626 |
Sentence |
denotes |
‡The reductions in cumulative case counts are due to revised diagnosis from further tests |
T826 |
1627-1724 |
Sentence |
denotes |
Table 12 Within- and between-city transmission of COVID-19, revised case counts in Hubei Province |
T827 |
1725-1764 |
Sentence |
denotes |
Jan 19–Feb 29 Jan 19–Feb 1 Feb 2–Feb 29 |
T828 |
1765-1788 |
Sentence |
denotes |
(1) (2) (3) (4) (5) (6) |
T829 |
1789-1809 |
Sentence |
denotes |
OLS IV OLS IV OLS IV |
T830 |
1810-1900 |
Sentence |
denotes |
Model A: lagged variables are averages over the preceding first and second week separately |
T831 |
1901-1935 |
Sentence |
denotes |
Average # of new cases, 1-week lag |
T832 |
1936-1998 |
Sentence |
denotes |
Own city 0.747*** 0.840*** 0.939*** 2.456*** 0.790*** 1.199*** |
T833 |
1999-2050 |
Sentence |
denotes |
(0.0182) (0.0431) (0.102) (0.638) (0.0211) (0.0904) |
T834 |
2051-2113 |
Sentence |
denotes |
Other cities 0.00631** 0.0124 0.0889 0.0412 − 0.00333 − 0.0328 |
T835 |
2114-2187 |
Sentence |
denotes |
wt. = inv. dist. (0.00289) (0.00897) (0.0714) (0.0787) (0.00601) (0.0230) |
T836 |
2188-2241 |
Sentence |
denotes |
Wuhan 0.0331*** 0.0277 − 0.879 − 0.957 0.0543* 0.0840 |
T837 |
2242-2310 |
Sentence |
denotes |
wt. = inv. dist. (0.0116) (0.0284) (0.745) (0.955) (0.0271) (0.0684) |
T838 |
2311-2384 |
Sentence |
denotes |
Wuhan 0.00365*** 0.00408*** 0.00462*** 0.00471*** − 0.000882 − 0.00880*** |
T839 |
2385-2465 |
Sentence |
denotes |
wt. = pop. flow (0.000282) (0.000287) (0.000326) (0.000696) (0.000797) (0.00252) |
T840 |
2466-2500 |
Sentence |
denotes |
Average # of new cases, 2-week lag |
T841 |
2501-2564 |
Sentence |
denotes |
Own city − 0.519*** − 0.673*** 2.558 − 1.633 − 0.286*** − 0.141 |
T842 |
2565-2616 |
Sentence |
denotes |
(0.0138) (0.0532) (2.350) (2.951) (0.0361) (0.0899) |
T843 |
2617-2686 |
Sentence |
denotes |
Other cities − 0.00466 − 0.0208 − 0.361 − 0.0404 − 0.00291 − 0.0235** |
T844 |
2687-2757 |
Sentence |
denotes |
wt. = inv. dist. (0.00350) (0.0143) (0.371) (0.496) (0.00566) (0.0113) |
T845 |
2758-2807 |
Sentence |
denotes |
Wuhan − 0.0914* 0.0308 3.053 3.031 − 0.154 0.0110 |
T846 |
2808-2876 |
Sentence |
denotes |
wt. = inv. dist. (0.0465) (0.0438) (2.834) (3.559) (0.0965) (0.0244) |
T847 |
2877-2945 |
Sentence |
denotes |
Wuhan 0.00827*** 0.00807*** 0.00711*** − 0.00632 0.0119*** 0.0112*** |
T848 |
2946-3025 |
Sentence |
denotes |
wt. = pop. flow (0.000264) (0.000185) (0.00213) (0.00741) (0.000523) (0.000627) |
T849 |
3026-3091 |
Sentence |
denotes |
Model B: lagged variables are averages over the preceding 2 weeks |
T850 |
3092-3154 |
Sentence |
denotes |
Own city 0.235*** 0.983*** 1.564*** 2.992*** 0.391*** 0.725*** |
T851 |
3155-3204 |
Sentence |
denotes |
(0.0355) (0.158) (0.174) (0.892) (0.0114) (0.101) |
T852 |
3205-3266 |
Sentence |
denotes |
Other cities 0.00812 − 0.0925* 0.0414 0.0704 0.0181 − 0.00494 |
T853 |
3267-3338 |
Sentence |
denotes |
wt. = inv. dist. (0.00899) (0.0480) (0.0305) (0.0523) (0.0172) (0.0228) |
T854 |
3339-3396 |
Sentence |
denotes |
Wuhan − 0.172* − 0.114** − 0.309 − 0.608 − 0.262 − 0.299* |
T855 |
3397-3462 |
Sentence |
denotes |
wt. = inv. dist. (0.101) (0.0472) (0.251) (0.460) (0.161) (0.169) |
T856 |
3463-3527 |
Sentence |
denotes |
Wuhan 0.0133*** 0.0107*** 0.00779*** 0.00316 0.0152*** 0.0143*** |
T857 |
3528-3608 |
Sentence |
denotes |
wt. = pop. flow (0.000226) (0.000509) (0.000518) (0.00276) (0.000155) (0.000447) |
T858 |
3609-3659 |
Sentence |
denotes |
Observations 12,768 12,768 4,256 4,256 8,512 8,512 |
T859 |
3660-3700 |
Sentence |
denotes |
Number of cities 304 304 304 304 304 304 |
T860 |
3701-3741 |
Sentence |
denotes |
Weather controls Yes Yes Yes Yes Yes Yes |
T861 |
3742-3773 |
Sentence |
denotes |
City FE Yes Yes Yes Yes Yes Yes |
T862 |
3774-3805 |
Sentence |
denotes |
Date FE Yes Yes Yes Yes Yes Yes |
T863 |
3806-3862 |
Sentence |
denotes |
The dependent variable is the number of daily new cases. |
T864 |
3863-4083 |
Sentence |
denotes |
The endogenous explanatory variables include the average numbers of new confirmed cases in the own city and nearby cities in the preceding first and second weeks (model A) and averages in the preceding 14 days (model B). |
T865 |
4084-4391 |
Sentence |
denotes |
Weekly averages of daily maximum temperature, precipitation, wind speed, the interaction between precipitation and wind speed, and the inverse log distance weighted sum of these variables in other cities, during the preceding third and fourth weeks, are used as instrumental variables in the IV regressions. |
T866 |
4392-4491 |
Sentence |
denotes |
Weather controls include contemporaneous weather variables in the preceding first and second weeks. |
T867 |
4492-4587 |
Sentence |
denotes |
Standard errors in parentheses are clustered by provinces. *** p < 0.01, ** p < 0.05, * p < 0.1 |