Guidelines for Investigation of COVID-19 Outbreaks in Schools

Guidelines for Investigation of COVID-19 Outbreaks in Schools 12 -19 , - -
(Guidelines for the Prevention, Investigation, and Control of COVID-19 Outbreaks in K-12 Schools in Wisconsin)
Division of Public Health P-02757HI ( 2021/80 )
-
............................................................................................................................................... 2
COVID-19 .................................................................................................................................................... 2
/ .......................................................................................................................................................... 4
.............................................................................................................................................. 4
.......................................................................................................................... 5
............................................................................................................ 8
- .......................................................................................................................................................................... 9
................................................................................................................. 9
.............................................................................................................................................. 10
- .............................................................................................................................................. 10
(K-12) ............................................................................................ 11
: .................................................................................................................. 11
................................................................................................................................... 11
(LTHD ) ............................................................................................. 13
................................................................................................................................. 14
.................................................................................................................................................... 14
.................................................................................................................................................................... 15
..................................................................................................................... 16
........................................................................................................................ 16
........................................................................................................................................... 17
.............................................................................................................................................. 17
- .............................................................................................. 19
........................................................................... 19
......................................................................................................................................... 20
..................................................................................................................... 21
(LTHD ) ........................................................................................................................ 21
................................................................................................................................. 22
.............................................................................................................................. 23
................................................................................................................................................ 23
- .................................................................................................................................. 25
() ......................................................................................................... 29
.......................................................................................................... 30
................................................................................................................................................................................ 32
........................................................................................................................ 34
COVID-19: , / .......... 36
/ ................................................................................................................................................ 39
-/ : COVID-19 () .................................. 40
-/ : COVID-19 ........................... 41
: ....................................................................................................................... 43
: ............................................................................ 45
: / .............................................. 47
................................................................................................................................................... 50
- COVID-19 (FAQ)
COVID-19 ....................................................................................................... 51
, ,
COVID-19
2 SARS-CoV-2 (1) COVID-19 , ,
, , ,
, , , , (2) COVID-19
, , ,

, SARS-CoV-2
, - (3, 4)
COVID-19 ,
, (5) ,
(6, 7) ,

, COVID-19
(8, 9) ,
, , - ,
, -
(10-12) , -
2021-2022
,
, COVID-19 (13 - 15) , CDC
, ,
, CDC
/

, -

Local and Tribal Health Departments (LTHDs) ( )
2021-2022

, ( K-12) COVID-19
CDC K-12
-
Wisconsin Department of Health Services (DHS) ( ) Wisconsin
Department of Public Instruction (DPI) ( ), ,
U.S. Centers for Disease Control and Prevention (CDC) ( )

, , COVID-19 CDC

, ,
,

, ,
,
:
• COVID-19
• /
•
•
•
•
•
•
• -
COVID-19
COVID-19 ,
FDA- COVID-19 , COVID-19 ,
-
-
COVID-19 ,
COVID-19
,
, CDC DHS
:
• ,
COVID-19
•
, DPI DHS
LTHDs - ,

• COVID-19
,
• ,

•
CDC American Academy of Pediatrics (
) (AAP)
, :
• COVID-19

o ,

o ,

o - COVID-19

•
o ,

o (, , -
)
o COVID-19

o ,
(, )
COVID-19 ,
, COVID-19
,

, , , Family
Educational Rights and Privacy Act ( ) (FERPA)
Wisconsin Immunization Registry (Wisconsin )
Wisconsin Immunization Registry (Wisconsin ) (WIR)

(ADA ) ,
,
( 1964 VII ) ,

/

, - ,

CDC American Academy of Pediatrics ( ) (AAP)
,

, 2021-2022 -
, :
• (12 )
• 3
• COVID-19 ;

• (delta ,
B.1.617.2)
• /
•
•
Pfizer-BioNTech Moderna
, , SARS-CoV-2
, Delta

COVID-19 , CDC

COVID-19 14
2 , , , ,
,

LTHD - CDC

2020-2021 COVID-19
6
, ,

- COVID-19 ,

,
U.S.
Department of Education ( ) ,
COVID-19 , 1.

• 3
• / 6

• ,
-

• -
3 ,

, ,
/ , , ,
DPI CDC

, COVID-19
,
,
,
,

• 1
,
• , ( 24 )

6
• , ,

• , CDC
, ( ,
, )
•
,
COVID-19 , K-12
, ,
Wisconsin DHS 2021-2022 , ,
-
/
DHS
, COVID-19
,
-

COVID-19 CDC )

100,000 <10 10-49 50-99 ≥100
7
<5% 5.0%-7.9% 8.0%-9.9% ≥10%

2

,

1

1 NCAA
https://ncaaorg.s3.amazonaws.com/ssi/COVID/SSI_ResocializationDevelopingStandardsSecondEdition.pdf
; ;

2 - , , ,
,

COVID-19 , COVID-19
-
,
,
COVID-19
, ,

• ( -/),
( )
• , COVID-19
, COVID-19
• , , COVID-19

COVID-19 ,
COVID-19 3-5
14

•
(
)
- -
• , -, -
,

• ,

,
, , COVID-19
( )
COVID-19 ,
, -

COVID-19

-
- , COVID-19
-
- ,
(, , , )

•
o
o - ,

o ,
• , (HVAC)
o HVAC -
o HVAC

o HVAC
o 2 HVAC

• /
o
o ,
o (, ) ,
(HEPA)
o (UVGI) , -

•
•

COVID-19

- CDC DPI

• 20
• -
• , 60% ( ,
)
6

• ,
,

COVID-19

(U.S. Environmental Protection Agency ( ) (EPA) N
) ,

•
• 24 COVID-19

• , :
o COVID-19
o
o
o
-
COVID-19 , ,
COVID-19 , -
PA -
CDC DHS (, , , , , , )

,
:
COVID-19 :
, , , ,
,
COVID-19
, , LTHD --

, LTHD

COVID-19 LTHD
(Wisconsin Ch. s. ) DHS 145.04 (1))
, COVID-19 COVID-19
- , 14

COVID-19 - 14
,
( , , ,
), COVID-19
,
, ,

-, , - LTHD, COVID-19
:
-:

• COVID-19
COVID-19 -
LTHD
•
(Resources)
•
:

• COVID-19 -
-
- (PPE)

•
(Resources) DPI
COVID-19
• - LTHD

- :

• - COVID-19

• ,
, PPE Exclusion from In-person
Instruction ( )
• , :
o
o
o ()
o ( )
o COVID-19 ()
o , , ,
o - ( , )
o / DPI COVID-19
• ,
( , , , )

• LTHD , ,
72
• , COVID-19
LTHD DPI
(FAQ)

• LTHD
• -
:

• (, , , )
- ()
• -
, , , (
- , ,
)
• -, ,

•
• PCA LTHDs DHS
• -

, ,
-

,
, WEDSS

(LTHD )
, COVID-19

,

COVID-19

,
DHS DPH Bureau of
Communicable Diseases ( )

:
• , , ,

• :
o
o
o (, , - )
o COVID-19 (, , , ,
)
o
o - ,
• :
o COVID-19 (, , )
o
o
o COVID-19 ()
o (
)
o
o
o () ( , , 301 302)
o ( ) () ()

o ()
• , ,
•

, - ,

,
,
(Resources)
15
, ,
, , :
•
• ( )
•
• COVID-19 ()
•
•
•
• ( )
• (
/ )
• ( )
• , , ,

(K-12) ,
:
• , LTHD
, COVID ( )
•
COVID-19 , COVID-
( )
•
COVID-19 ( )
• -
COVID-19 ( )
COVID-19 ,

, ,
( )
LTHD -
, ,

16

, LTHD
- , , /
16

- ,
: 12 (
) ,

• :
o
o ( )
o
o ,
• :
o :
24
10
o :
10

• 14 ( )
:
o
o
o
o ,
o
o -
• , ( )
:
o
o - , ,
o , (, , , )
o
o
17
o -
•

• -
•
•
•
• , (
, LTHD - , )
•
•

•
•

• / /
• - ( , ,
)
• ,
•
• -
• - ( )
• 14 , (
)
•
•
• , (
, LTHD - , )
•
•

, , (
)

(, ,
) COVID-19 ,
:
• (, , )
• ( , ;
; , , , )
• ,
,
• 15 6 15
- 15
: K–12 , ,
3 6 :
o ;
o : ,
2.

() COVID-19
3 3 6 6

(

)

, 24 15
6
, 3 6 ,
,
19
COVID-19

-
Department of Safety and Professional Services ( )
(RNs/LPNs/PT/OT/SLP) - COVID-19

COVID-19
PPE (
) CDC

-
,
PPE ,

,
,
,
LTHD

3
6
• 6 , ,
6 ,

• 3 , ,
, 6
,

• 3
,

,
-
,
, LTHD /
,
- ,

COVID-19 ,
,
, (, , ), ,
, - -, , , ,

,
, ,
,

DHS : COVID-19
-

, ,
:
• 14

• 14
WEDSS -

• COVID-19 LTHD -
• COVID-19 , -

LTHD
, LTHD
- , LTHD ,
,

, CDC

:
• , LTHD ,
( /) LTHD

• LTHD - -
- ( )

LTHD ,
LTHD ( -/)
, ,
• LTHD -
LTHD , -
, ,
LTHD ( -/)
, ,
(LTHD )
,
Department of Health Services Contact Tracing Team (CTT) (
)
• DHS CTT
•

• 48

LTHD
• CTT , LTHD CTT
,

COVID-19 ,
LTHD

:
•
• COVID-19

• , (LTHD ) ,

• ( -/), ,
, COVID-19

• ( -/), , COVID-
19 ,
• -/

• ( ) ,

• ()
,
• , -/ LTHD

• / LTHD
• , Americans with Disabilities Act
(ADA) ( ), Family Education Rights and Privacy Act (FERPA) (
) Health Insurance Portability and Accountability Act
(HIPAA) ( )
Resources () :
• COVID-19 -/
• -/

, COVID-19 ,
COVID-19 ,
,
-

COVID-19
-, , , -

/
-
:
• COVID-19 ,

• COVID-19 ,

• ,
COVID-19
24 :
• , , ,
• :
o ( ),

o ( )
o
o
o
o
o
COVID-19-

, , 24
, COVID-19
COVID-19 ( )
, - :
•
• - ,

• -/
:
o COVID-19
o
o ( )
o -
o COVID-19, , /

o ,
o LTHD
o -/ DHS COVID-19
, , , ,

• -/
• , , CDC
-
• LTHD
COVID-19 ,
, COVID-19
COVID-19

COVID-19
:
• ()

•
• 6
• ,
• -
• COVID-19
• / LTHD
• DHS, CDC,
• LTHD
-
,

, COVID-19 ,
COVID-19: CDC
24
,

COVID-19 ,
SARS-CoV-2

COVID-19
- -
COVID-19
-
2020 , CDC ,
14 10
, 14 6 7
COVID-19
7
COVID-19 14

:
• 14

• COVID-19
• ,
/
• 14 COVID-19 (,
, )
• , -, ,
3
14 ,
• 3
6 , 14

COVID-19
, CDC COVID-19 ,
. COVID-19
COVID-19 , , :
• COVID-19 3-5
• 14
COVID-19
COVID-19 ,
-
,
:
COVID-19
:
• 10
24

• - COVID-19

• ,
-
Wisconsin

COVID-19 PCR*
:
• 24
• Wisconsin Childhood Communicable Diseases Wall
Chart ( )

• -
* 48
PCR PCR
-
PCR COVID-19
:
• 10
24

• -, COVID-19

* PCR COVID-19
( ):
• 10 -
• -,
COVID-19
* PCR
48 PCR

PCR

-
COVID
,
, ,

COVID-19 :

COVID-19 - LTHD
,
:

PCR COVID-19
:
• 14
10
14 ,
, 7

• -
,

PCR COVID-19 :
• 10 -
• -,
COVID-19
COVID-19
COVID-19 :
• COVID-19 14

- ,

• 10 24

•
• -,
COVID-19
, COVID-19
COVID-19 :
• COVID-19 14

- ,

• PCR 24
Wisconsin
Childhood Communicable Diseases Wall Chart ( )

• , 10
24
48
- PCR
•

COVID-19
COVID-19 ,
:
• 10
24

• -, ,
COVID-19
COVID-19 PCR
, 90
COVID-19

14 :
•
• 14
• 3-5 14
,
•
• COVID-19
14 COVID-19

COVID- 19
:
• 10 24

• -,
COVID-19
14 COVID-19
COVID-19
:
• PCR
24
, Wisconsin Childhood Communicable Diseases Wall Chart (Wisconsin
)

• -
()
, COVID-19
COVID-19 , ,
, ,
COVID-19 , 24 ,
U.S. Environmental Protection Agency (EPA) ( ) N

CDC
COVID-19 /
() -
• ()
• HVAC

•

• () , ,
, , ,
• ,
(, ) , /,

• - , , ,
, , , ,
- ,
COVID-19
• 24 ,
• 24 ,

• 3 , ( )

-

:, ,
,

LTHD

,

31
, LTHD ,
,
, LTHD DPH Bureau of Communicable
Diseases (DPH )
3 ()

/

•

;

•

-

•
,

,

•

, ,
, 6 ,

14
, , , -
LTHD

Julia Hartwig, Director, Special
Education Team (, ), DPI [email protected]

1. Centers for Disease Control and Prevention (CDC) ( ).
: https://www.cdc.gov/coronavirus/2019-nCoV/index.html. 13
, 2020
2. Centers for Disease Control and Prevention (CDC) ( ). COVID-NET:
COVID-NET COVID-19- 1
: https://gis.cdc.gov/grasp/COVIDNet/COVID19_5.html. 13
, 2020
3. (MMWR). – , 12
– 2 , 2020. Morb Mortal Wkly Rep, 2020; 69(14): 422–426.
4. Lu X, Zhang L, Du Hui, et al. : SARS-CoV-2 N Engl J Med, 2020;
382(17): 1663-5.
5. Salamanna F, Veronesi F, Martini L, et al. -COVID-19 : -
Front Med (Lausanne) 2021; 8:653516.
doi:10.3389/fmed.2021.653516.
6. Centers for Disease Control and Prevention ( ) COVID-19
26 , 2021 Online: /coronavirus/2019-ncov/cases-
updates/burden.html
7. Reese H, Iuliano AD, Patel NN, et al. 2019 (COVID-19)
- , - 2020 Clin Infect Dis 2020;
72(12): e1010-17. doi:10.1093/cid/ciaa1780.
8. Verlenden JV, Pampati S, Rasberry CN, et al. COVID-19 , -
- COVID ,
, 8 13 , 2020 MMWR Morb Mortal Wkly Rep 2021; 70: 369–76.
doi:10.15585/mmwr.mm7011a1.
9. Barnett WS Jung K. - : NIEER
2020 2021; New Brunswick, NJ: National
Institute for Early Education Research ( )
10. Russell FM, Ryan K, Snow K, et al. Victorian COVID-19:
-
Murdoch Children’s Research Institute ( ) University of
Melbourne ( ) 2020; 2020 25
11. Donohue JM Miller E. COVID-19 JAMA 2020; 324(9): 845-7.
doi:10.1001/jama.2020.13092.
12. Powell A, Thomason S, Jacobs K. : California
2019 26, 2021 https://laborcenter.berkeley.edu/investing-early-
care-education-economic-benefits-californiaexternal icon.
13. Atherstone C, Siegel M, Schmitt-Matzen E, et al. SARS-CoV-2
- Florida, 2020- 2021 MMWR Morb Mortal Wkly Rep 2021; 70(4):141-3.
14. Szablewski CM, Chang KT, Brown MM et al. SARS-CoV-
2 - Georgia, 2020 Morb Mortal Wkly Rep, 2020; 69: 1-3.
15. Schwartz NG, Moorman AC, Makaretz A, et al. 3-
COVID-19 - , - 2020 MMWR Morb Mortal Wkly Rep 2020;
69(40):1457-1459. doi:10.15585/mmwr.mm6940e2.

Centers for Disease Control and Prevention ( ):
• K-12 COVID-19
•
• -
•
•
•
• COVID-19

•
• COVID
• COVID-19
• COVID-19 :
•
• : SARS-CoV-2

•
• : K-12 SARS-CoV-2 –

Wisconsin Department of Public Instruction: ( ):
Wisconsin COVID-19 2021/2022
Wisconsin Department of Health Services, Division of Public Health
(Wisconsin , ):
• COVID-19: ,
• COVID-19:
• COVID-19:
• COVID-19: K-12
• , :
• : COVID-19
• : COVID-19
• : COVID19
• COVID-19
• Wisconsin
• COVID-19
• COVID-19:
:
• American Academy of Pediatrics ( ) COVID-19

• American Academy of Pediatrics (AAP) ( ):

, ,
WEDSS
:
• , , ,

• :
o
o
o
o COVID-19
o
o - ,
• :
o COVID-19 (, , )
o
o
o COVID-19 ()
o ( )
o
o
o ()
o ( ) -/ ()
o ()
• ,
• /
, ,

COVID-19

, , ,
-
-

contact tracing ( ) ( Contact Tracing ( ) )

, , DHS

, /
,
36
COVID-19: , /
: , /
COVID-19 : , , COVID-19

: COVID-19
COVID-19 ( ) COVID-19
, , , :
:
:

- ,
- , , , :

14
:
• 10 , , 14

• COVID-19 6 7 , 7
6 , , 14

: :
•
•
• , ( , , )
• 15 6 15 - 15
:
• K-12 , 3 6 ,
,
• /
90 COVID , COVID-19 ,
, ,
3-5 COVID-19 14 ,

COVID-19 (^)
^ ^ l^
* * * *: , , – - –
37
COVID-19 *:

)
10 - 24

-,

*)
PCR 24
Wisconsin Childhood Communicable Diseases Wall Chart ( )
-

** PCR , 48
PCR
-

10 24
-

,
Wisconsin

**)
10 - -,

* PCR 48
PCR
PCR

(PCR

* ,

?

/

)
10 - 24

-,
(PCR
)
• COVID-19 14
- ,

• PCR 24
, Wisconsin

• , 10 -
24 48
- PCR

• COVID-19 14
- ,
• 10 24

)
10 - -,

(PCR
)
6 6 , 7
14 ,
- ,

• 14
10 , , , 14
(PCR ) 6
7 14 ,

• - ,

* ,

/
Illness Log / Line List of Ill for Absent Students and Staff
School Name: _______________________________________ School Address: _______________________________________________ Date: _________________________________
First name Last name Street address City Parent/Guardian name(s)
Staff or
(M /F
d e
n t
(S d
symptom onset until the time
they left facility
Contact tracing category
contact)
Example: John Doe 123 Main St City Donna Doe 123-456-7890 1/1/2010 M 6/10/2020 C, Fe (100.4); ST, Fa Sd 6/10/20
2nd grade - room 203, health
office, lunch room HC
40
-/ : COVID-19 ()
[date]
[Insert parent/guardian names],
[a] [] [] [Insert school name]
COVID-19 [insert county/city]
,

COVID-19
COVID-19 , , ,
–
– COVID-19 , ,
, COVID-19
:
•
•
•
•
•
• , ,
CDC COVID-19 : www.cdc.gov/coronavirus.

COVID-19 , ,
, ,
COVID-19

[insert tribal/county/city]
COVID-19

:
• COVID-19 ,
• COVID-19 ,
•
• ,
• : - , ,

, [Full name and position] [phone #]
,
[Title]
-/ : COVID-19

/ [insert child’s name]
COVID-19
[Insert child’s name] (-):
14
10
14 , [insert child’s name] COVID-19
[insert
county/city] [insert phone number]
COVID-19
, LTHD
,
,
14

Wisconsin Department of Health Services (Wisconsin ) CDC
COVID-19 , ,
42
COVID-19
, , -

,
( ) COVID-19

:
www.dhs.wisconsin.gov/covid-19/community-testing.htm.

,
COVID-19
COVID-19 , , ,
–
– COVID-19 , ,
, COVID-19
:
•
•
•
•
•
• , ,
CDC COVID-19 : www.cdc.gov/coronavirus.

, [insert quarantine end date] ,
" : COVID-19 "
3 (www.dhs.wisconsin.gov/publications/p02598a.pdf)
COVID-19 , [insert tribal/county/city]
[insert phone number]
/ *
:
•

:
• : “ : COVID-19
”
•
• LTHD
• -
•

• ,
• : - ,

[insert tribal/county/city]
, , [Full name and position]
[phone #]
,
[Date]
[Insert child’s name]
( , ):

/

Wisconsin Department of Health Services (Wisconsin
) [insert tribal/county/city] ,
COVID-19

______________________[release from isolation date]
( ), 24

COVID-19
COVID-19
, , -
,

COVID-19 ,

: www.dhs.wisconsin.gov/covid-19/community-testing.htm.

,
, COVID-19
LTHD
COVID-19 , ( ) /
( ) Tylenol
Ibuprofen 24

, COVID-19
,

DPH

COVID-19

, , _____________ [release
from household contact quarantine date]
, CDC
(https://www.cdc.gov/coronavirus/2019-ncov/if-you-are-sick/quarantine.html)
- - ,
, , - , ,
6
,
14
,
,

COVID-19
, -
,

, , ,

,

,
[Print name, Title]
:
:
COVID-19 , ,
,
COVID-19 www.dhs.wisconsin.gov/covid-19/index.htm

[Phone number]
COVID-19 ,

[City, state] - 2020 Wisconsin COVID-19

, , -,
,
, , , , ,

, , , ,
COVID-19
/

Wisconsin Department of Public Instruction (DPI) ( )

Department of Health Services ( )
DPI DHS K-12
COVID-19 , ,
, [insert school district, health department, or jurisdiction name]
COVID-19
, , ,
[Insert information about current local school plans.]
"[name of local/tribal health department]
,"
[name of health officer/director/spokesperson, title, name of health department] "
[insert work and activities health department is taking—see suggested prevention measures
described in the DHS School Outbreak Guidance] "
, COVID-19
/
, , ,
,
-
COVID-19 ,
- , [name of local/tribal health department]
-, COVID-19
:
• , ;
• ;
• COVID-19 , , , ,
, , / , , ,
;
• COVID-19 COVID-19 ,
;
• 6
;
•
, ,
;
• -
[School district
administrators/leaders/etc] / [Insert
contact information.]
[local/tribal health department social media or website], DHS
Facebook Twitter @DHSWI Instagram dhs.wi
CDC
(END)
: /
: / (K-12, ,
) /
, COVID-19
www.dhs.wisconsin.gov/covid-19/index.htm

[Date]
[Contact]
[Phone number]
[Health Department Name] COVID-19 [school name or type]
[City, state] – [Name of local/tribal health department] [name of school
with investigation/outbreak] [a student or staff, or a # of students or staff] COVID-19
[Insert any information about the outbreak that can be shared
publicly.]
"[local/tribal health department name] ,
[name of school] ," [name of health
officer/director/spokesperson, title, name of health department] “
, , COVID-19

[describe specific steps being taken, which could include improved ventilation; change in
policies; wearing of cloth face coverings; increased access to hand-washing and hand sanitizing
stations; offering school-based diagnostic and/or screening testing; educating and training
teachers/faculty, staff, and students; etc.] . [insert
number of schools with investigations] [county or region]
[Adapt for current contact tracing protocol.] , COVID-19
, /

, ,
, ,
, -
, ,

"COVID-19 , ,
," [health officer/director/spokesperson last name]
“[adapt if local order is more strict]

”
[maintain in-person instruction (include what is applicable in the community, but avoid
open/reopen language], [name of local/tribal health department] -,
COVID-19 :
• , ;
• ;
• COVID-19 , , , ,
, , / , , ,
;
• COVID-19 COVID-19 ,
;
49
• 6
;
•
, ,
;
• -
[local/tribal health department name] Wisconsin Department of Health Services (DHS)
(Wisconsin ) [insert name of school]
[Health officer/director/spokesperson last name]
, , , ,
[local/tribal health department name]
[local/tribal health department website or social media], DHS
Facebook Twitter @DHSWI Instagram dhs.wi
CDC
(END)

6 -
; ,
COVID-19 ,

1

COVID-19 14 COVID-19
?

10 COVID-19 ?
24 ?

/

24 (, , )?
2
24 ?

( )
(≥ 100.4°F) (
)

, - –
• , ,
/ • -
COVID-19

(
)

1
1 , 2
2 2 ,
COVID-19

2 0 1 ( )
,

51
-/ "-"
COVID-19
COVID-19
,
-/ , ,

“” ,

,
1:
2: ( 1)
3: ( 2)
“ : ”
1 ,
/

10 COVID- 19 ?
* COVID- 19 14 COVID-19 ? (“ ” )

( ) ( )
(≥ 100.4°F) ( )

2 ,
, : 24 , , ?
, , — -— , COVID- 19
- COVID-19 (FAQ)
COVID-19
- COVID-19 (FAQ)
COVID-19
24 , : ?
52
COVID-19 , :
1) 24 15 6
2)
3) ( , , , ,
, )
4)
, “”
“ ” :
: ,
:
1)
2) , ,
COVID-19
COVID-19
, : www.dhs.wisconsin.gov/covid-19/community-testing.htm. (
) 3)
; ( ) COVID-19
COVID-19
“ ” ?
#1:
,
COVID-19
#2: -
/ COVID-19

“ ” ?
1) : • : → ,
• → 2)
• → ,
• “” ,→ 3)
• , , → • →

Documents

Guidelines for Investigation of COVID-19 Outbreaks in Schools