Filter
551
Text search:
specimen
referral
systems
Featured
88
183
Language
Document type
310
111
60
41
22
3
2
2
Countries / Regions
54
35
24
20
19
19
17
16
15
15
13
12
11
11
8
8
8
7
7
5
5
5
5
5
4
4
4
3
3
3
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Authors & Publishers
Publication Years
Category
319
64
18
17
12
12
5
Toolboxes
97
46
30
29
20
13
12
12
10
6
5
4
4
4
3
3
3
3
2
2
2
1
This document aims to provide global guidance on poliomyelitis (polio) surveillance in the context of the COVID-19 pandemic. It comes as a technical complement to Polio eradication programme continuity, Immunization in the context of COVID-19 pandemic frequently asked questions, and is aligned with
...
Sixth edition
2007
MMWR. Recommendations and Reports:
December 16, 2005 / 54(RR15);49-55