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Volume 75, Issue 1
Role of presymptomatic transmission of COVID-19: evidence from Beijing, China
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Short report
Role of presymptomatic transmission of COVID-19: evidence from Beijing, China
Online download statistics by month:
Online download statistics by month: August 2020 to April 2025
Abstract
Full
Pdf
Aug 2020
311
310
77
Sep 2020
717
708
202
Oct 2020
307
305
77
Nov 2020
611
604
65
Dec 2020
1400
1390
203
Jan 2021
1197
1180
267
Feb 2021
674
652
125
Mar 2021
501
470
120
Apr 2021
417
400
155
May 2021
275
261
86
Jun 2021
226
212
117
Jul 2021
256
250
83
Aug 2021
229
227
45
Sep 2021
232
235
67
Oct 2021
168
168
56
Nov 2021
161
158
50
Dec 2021
150
152
36
Jan 2022
144
146
54
Feb 2022
89
91
28
Mar 2022
85
90
28
Apr 2022
116
103
17
May 2022
111
94
27
Jun 2022
87
79
30
Jul 2022
123
122
46
Aug 2022
115
111
33
Sep 2022
57
55
38
Oct 2022
81
77
43
Nov 2022
27
25
43
Dec 2022
44
41
14
Jan 2023
37
35
19
Feb 2023
63
63
13
Mar 2023
22
21
20
Apr 2023
40
36
18
May 2023
53
50
10
Jun 2023
22
21
7
Jul 2023
73
72
12
Aug 2023
50
49
7
Sep 2023
41
40
9
Oct 2023
44
42
13
Nov 2023
53
51
17
Dec 2023
56
56
6
Jan 2024
78
78
12
Feb 2024
28
27
5
Mar 2024
105
101
66
Apr 2024
109
112
17
May 2024
94
94
9
Jun 2024
97
96
20
Jul 2024
123
123
10
Aug 2024
97
94
30
Sep 2024
94
92
13
Oct 2024
72
73
20
Nov 2024
104
103
10
Dec 2024
40
40
15
Jan 2025
35
32
12
Feb 2025
48
44
6
Mar 2025
43
42
19
Apr 2025
40
39
8
Total
10672
10442
2655
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