I looked through today’s JHU data just uploaded. It looks like a one day reporting anomaly where federal facility data was suddenly added to the data totals. The moving average strategy spreads this over several days making it look worse.
In[]:=
caseinfo=Import["https://raw.githubusercontent.com/CSSEGISandData/COVID-19/master/csse_covid_19_data/csse_covid_19_time_series/time_series_covid19_confirmed_US.csv"];​​caseinfo[[1]][[-1]]​​usCaseData=AssociationThread[First@caseinfo,#]&/@Rest[caseinfo]/.""Missing[]//Dataset;
Out[]=
4/21/20
In[]:=
recUS=usCaseData[All,{"Province_State","Admin2","4/18/20","4/19/20","4/20/20","4/21/20"}];
In[]:=
recUS1=recUS@Select[#"4/21/20">6&&#"4/20/20"0&]
Out[]=
Province_State
Admin2
4/18/20
4/19/20
4/20/20
4/21/20
US Military
Air Force
0
0
0
800
US Military
Army
0
0
0
841
Federal Bureau of Prisons
Inmates
0
0
0
497
US Military
Marine Corps
0
0
0
253
US Military
Navy
0
0
0
1631
Federal Bureau of Prisons
Staff
0
0
0
319
US Military
Unassigned
0
0
0
1810
Veteran Hospitals
-
0
0
0
5599
In[]:=
recUS1[Total,"4/21/20"]
Out[]=
11750
In[]:=
deathinfo=Import["https://raw.githubusercontent.com/CSSEGISandData/COVID-19/master/csse_covid_19_data/csse_covid_19_time_series/time_series_covid19_deaths_US.csv"];​​deathinfo[[1]][[-1]]​​usDeathData=AssociationThread[First@deathinfo,#]&/@Rest[deathinfo]/.""Missing[]//Dataset;
Out[]=
4/21/20
In[]:=
recUSDeaths=usDeathData[All,{"Province_State","Admin2","4/18/20","4/19/20","4/20/20","4/21/20"}];
In[]:=
recUSDeaths1=recUSDeaths@Select[#"4/21/20">6&&#"4/20/20"0&]
Out[]=
Province_State
Admin2
4/18/20
4/19/20
4/20/20
4/21/20
Pennsylvania
Franklin
0
0
0
10
New Jersey
Unassigned
2
0
0
233
Federal Bureau of Prisons
Inmates
0
0
0
22
US Military
Navy
0
0
0
7
US Military
Unassigned
0
0
0
12
Veteran Hospitals
-
0
0
0
357
In[]:=
recUSDeaths1[Total,"4/21/20"]
Out[]=
641