COVID-19 Alberta statistics

Highlights

333
current hospitalizations

79
current ICU

2,002
total deaths ⚱

11,464
active cases

8.91%
percent positivity, 7-day average

81 years
average age at death ⚱

New Cases

Figure 1: COVID-19 cases in Alberta by zone. First and second panels display new (from March 31-April 06, 2021) and active cases, respectively. Cases without a postal code or incorrect postal codes are labelled as unknown. Cases are under investigation and numbers may fluctuate as cases are resolved.

Figure 2: COVID-19 cases in Alberta by age group. First and second panels display new (from March 31-April 06, 2021) and active cases, respectively. Cases are under investigation and numbers may fluctuate as cases are resolved.

Figure 3: COVID-19 cases in Alberta by route of suspected acquisition. First and second panels display new (from March 31-April 06, 2021) and active cases, respectively. Cases are under investigation and numbers may fluctuate as cases are resolved.

Total Cases

Figure 4: COVID-19 cases in Alberta by day and case status. Recovered is based on the assumption that a person is recovered 14 days after a particular date (see data notes tab), if they did not experience severe outcomes (hospitalized or deceased). Cases are under investigation and numbers may fluctuate as cases are resolved. Data included up to end of day April 06, 2021.

Figure 5: Cumulative COVID-19 cases in Alberta by route of suspected acquisition. Only includes COVID-19 cases where case report forms have been received. Data included up to end of day April 06, 2021.

Figure 6: COVID-19 cases in Alberta by day and case status. Probable cases include cases where the lab confirmation is pending. Data included up to end of day April 06, 2021.

Characteristics

Figure 7: Number and rate of COVID-19 cases in Alberta by age group

Figure 8: COVID-19 cases in Alberta by age group and gender

Table 1. COVID-19 cases in Alberta by age group and gender

	Gender
	Female		Male		Unknown		All
Age	Count	Percent	Count	Percent	Count	Percent	Count	Percent
Under 1 year	427	0	467	0	1	0	895	1
1-4 years	2,479	2	2,598	2	6	0	5,083	3
5-9 years	3,391	2	3,750	2	2	0	7,143	5
10-19 years	9,390	6	9,833	6	12	0	19,235	12
20-29 years	14,104	9	14,443	9	18	0	28,565	18
30-39 years	14,393	9	14,924	10	8	0	29,325	19
40-49 years	12,183	8	12,187	8	5	0	24,375	16
50-59 years	9,090	6	9,280	6	4	0	18,374	12
60-69 years	5,430	3	5,891	4	2	0	11,323	7
70-79 years	2,705	2	2,621	2	0	0	5,326	3
80+ years	3,575	2	2,181	1	1	0	5,757	4
Unknown	24	0	35	0	16	0	75	0
All	77,191	50	78,210	50	75	0	155,476	100

Figure 9: COVID-19 cases in Alberta by age group. First and second panels display counts (7-day rolling average) and rate per 100,000 (7-day rolling average), respectively.

Healthcare Workers

Table 2. Healthcare workers among COVID-19 cases

	Total	Active	Recovered	Died
Calgary Zone	3547	151	3393	3
Central Zone	655	25	630	0
Edmonton Zone	4580	87	4490	3
North Zone	642	28	614	0
South Zone	462	37	425	0
Unknown	1	0	1	0
Alberta	9887	328	9553	6
Note:
Status of Healthcare workers is self-reported and might be different from other sources. Please note these are not necessarily healthcare workers who were infected at work.

Severe outcomes

Summary

Average age for COVID cases that died is 81 years (range: 20-107)
Average age for COVID cases hospitalized with an ICU stay is 58 years (range: 0-90)
Average age for COVID cases hospitalized is 62 years (range: 0-104)
Average age for COVID cases not hospitalized is 36 years (range: 0-108)

Figure 10: Rate of total hospitalizations, ICU admissions, and deaths among COVID-19 cases in Alberta

Total hospitalizations, ICU admissions and deaths (ever) among COVID-19 cases in Alberta by age group. Each ICU admission is also included in the total number of hospitalizations.This is based on totals rather than current hospitalizations and ICU admissions.

Figure 11: Total hospitalizations, ICU admissions and deaths (ever) among COVID-19 cases in Alberta by age group. Each ICU admission is also included in the total number of hospitalizations.This is based on totals rather than current hospitalizations and ICU admissions.

Table 3. Total Hospitalizations, ICU admissions and deaths (ever) among COVID-19 cases in Alberta by age group

Age Group	Cases	Hospitalized			ICU			Deaths
	Count	Count	Case rate	Pop. rate	Count	Case rate	Pop. rate	Count	Case rate	Pop. rate
Total	155476	6727	4.3	152.1	1112	0.7	25.1	2002	1.3	45.3
Under 1 year	895	42	4.7	81.2	10	1.1	19.3	0	0.0	0.0
1-4 years	5083	27	0.5	12.4	5	0.1	2.3	0	0.0	0.0
5-9 years	7143	19	0.3	6.8	10	0.1	3.6	0	0.0	0.0
10-19 years	19235	95	0.5	17.8	11	0.1	2.1	0	0.0	0.0
20-29 years	28565	332	1.2	56.1	35	0.1	5.9	9	0.0	1.5
30-39 years	29325	547	1.9	76.4	65	0.2	9.1	10	0.0	1.4
40-49 years	24375	697	2.9	114.6	137	0.6	22.5	31	0.1	5.1
50-59 years	18374	979	5.3	177.8	225	1.2	40.9	70	0.4	12.7
60-69 years	11323	1175	10.4	247.7	312	2.8	65.8	209	1.8	44.1
70-79 years	5326	1208	22.7	463.5	229	4.3	87.9	398	7.5	152.7
80+ years	5757	1603	27.8	1142.8	72	1.3	51.3	1274	22.1	908.3
Unknown	75	3	4.0	NA	1	1.3	NA	1	1.3	NA
Note:
Based on total hospitalizations and ICU admissions ever.
Row percent is out of the number of cases in each age group.
Each ICU admission is also included in the total number of hospitalization
Case rate (per 100 cases)
Population rate (per 100,000 population)

Figure 12: Number of current COVID-19 patients in hospital, ICU and non-ICU

Figure 13: Rate of new hospitalizations (7-day rolling average, average of current day and previous 6 days) by admission date in Alberta and by zone

Figure 14: Daily COVID-19 attributed deaths. Data are subject to change; when death date is unavailable the date reported to Alberta Health is used until a death date is known.

Comorbidities

Table 4. Number and percent of health conditions among COVID-19 deaths. Data updated on 2021-04-06.

Condition	Count	Percent
Hypertension	1716	85.7%
Cardio-Vascular Diseases	1083	54.1%
Dementia	1027	51.3%
Renal Diseases	967	48.3%
Diabetes	899	44.9%
Respiratory Diseases	823	41.1%
Cancer	467	23.3%
Stroke	426	21.3%
Liver Diseases	84	4.2%
Immuno-Deficiency Diseases	40	2.0%
Note:
One individual can have multiple conditions.

Figure 15: Percent of COVID-19 cases with no comorbidities, one comorbidity, two comorbidities, or three or more comorbidities by case severity (non-severe, hospitalized but non-ICU, ICU but not deceased, and deceased), all age groups and both sexes combined, all Alberta. Comorbitities included are: Diabetes, Hypertension, COPD, Cancer, Dementia, Stroke, Liver cirrhosis, Cardiovascular diseases (including IHD and Congestive heart failure), Chronic kidney disease, and Immuno-deficiency. Data updated on 2021-04-06.

Table 5. Number and percent of COVID-19 cases with no comorbidities, one comorbidity, two comorbidities, or three or more comorbidities by case severity (non-severe, hospitalized but non-ICU, ICU but not deceased, and deceased), all age groups and both sexes combined, Alberta. Comorbitities included are: Diabetes, Hypertension, COPD, Cancer, Dementia, Stroke, Liver cirrhosis, Cardiovascular diseases (including IHD and Congestive heart failure), Chronic kidney disease, and Immuno-deficiency. Data updated on 2021-04-06.

	Non-Severe		Non-ICU		ICU		Deaths
	Number	Percent	Number	Percent	Number	Percent	Number	Percent
No comorbidity	100043	67.6%	1036	21.8%	160	19.7%	48	2.4%
With 1 condition	29844	20.2%	844	17.8%	158	19.4%	133	6.6%
With 2 conditions	10093	6.8%	852	17.9%	199	24.4%	273	13.6%
With 3 or more conditions	7930	5.4%	2018	42.5%	297	36.5%	1548	77.3%

Geospatial

Figure 16: Cumulative COVID-19 cases in Alberta by zone and date reported to Alberta Health. Cases without a postal code or incorrect postal codes are labelled as unknown.

Figure 17: Rate of COVID-19 cases (per 100,000 population) in Alberta and by zone

Table 6. COVID-19 cases in Alberta by zone

Zone	Count	Percent
Calgary Zone	60,823	39
Central Zone	12,133	8
Edmonton Zone	58,731	38
North Zone	14,997	10
South Zone	8,576	6
Unknown	216	0
All	155,476	100

Geographies can be displayed by municipality or local geographic area (LGA). When viewing by municipality, regions are defined by metropolitan areas, cities, urban service areas, rural areas, and towns with approximately 10,000 or more people; smaller regions (i.e. villages, and reserves) are incorporated into the corresponding rural area. Cases without a postal code or incorrect postal codes are not included. Location information missing/invalid for: 483 case(s).

Laboratory testing

Figure 18: Tests performed for COVID-19 in Alberta by day. Tests can be performed for the same person multiple times.

Table 7. COVID-19 testing in Alberta

	Number (n)
Test volume	3,788,952
People tested	1,930,786

Table 8. Number of people tested for COVID-19 in Alberta by zone

Zone	Count	Percent
Calgary Zone	783,302	41
Central Zone	173,054	9
Edmonton Zone	626,283	32
North Zone	184,256	10
South Zone	121,299	6
Unknown	42,592	2
All	1,930,786	100

Figure 19: People tested for COVID-19 in Alberta by age group and gender.

Table 9. People tested for COVID-19 in Alberta by age group and gender

	Gender
	Female		Male		Unknown		All
Age	Count	Percent	Count	Percent	Count	Percent	Count	Percent
Under 1 year	6,153	0	7,072	0	23	0	13,248	1
1-4 years	38,401	2	42,599	2	43	0	81,043	4
5-9 years	63,175	3	68,797	4	70	0	132,042	7
10-19 years	125,107	6	126,545	7	223	0	251,875	13
20-29 years	159,137	8	135,977	7	341	0	295,455	15
30-39 years	187,626	10	162,398	8	350	0	350,374	18
40-49 years	148,932	8	125,741	7	267	0	274,940	14
50-59 years	123,583	6	100,301	5	179	0	224,063	12
60-69 years	88,415	5	76,749	4	111	0	165,275	9
70-79 years	42,266	2	37,971	2	45	0	80,282	4
80+ years	37,738	2	23,419	1	76	0	61,233	3
Unknown	342	0	321	0	292	0	956	0
All	1,020,875	53	907,890	47	2,020	0	1,930,786	100
Note:
Count represents the number of people tested

Figure 20: Cumulative and daily test positivity rate for COVID-19 in Alberta.

Figure 21: Positivity rate for COVID-19 in Alberta by zone.

Variants of Concern

Summary

NOTE: People are identified as COVID-19 cases prior to variant of concern identification. As such, variant of concern reporting is delayed compared to date the case was reported to Alberta Health. All cases were screened for variants of concern starting at the beginning of February, 2021.

11,464 active cases in Alberta
- 4,951 active cases (43.2% of total) have been identified as variants of concern.
7,561 variants of concern identified
- 4,951 active
- 2,581 recovered
- 29 died
22,790 specimens screened

Figure 22: Variant of concern COVID-19 cases in Alberta by day. Note: cases are identified as COVID-19 positive prior to being identified as a variant of concern. Data included up to end of day April 06, 2021.

Table 10. Variants of concern COVID-19 cases identified in Alberta and by Zone

Zone	B.1.1.7 UK Variant	B.1.351 South African Variant	P.1 Brazilian Variant	Total
Calgary Zone	3,297	16	13	3,326
Central Zone	850	0	4	854
Edmonton Zone	2,231	10	1	2,242
North Zone	655	0	5	660
South Zone	433	0	0	433
Unknown	46	0	0	46
Alberta	7,512	26	23	7,561

Table 11. Variants of concern COVID-19 cases identified who are active, recovered, or died in Alberta and by Zone

Zone	Active	Died	Recovered	Total
Calgary Zone	2,220	4	1,102	3,326
Central Zone	483	2	369	854
Edmonton Zone	1,363	23	856	2,242
North Zone	566	0	94	660
South Zone	276	0	157	433
Unknown	43	0	3	46
Alberta	4,951	29	2,581	7,561

Data export

Data are subject to change. Fluctuations are expected as cases are investigated and updated. Data included up to end of day April 06, 2021. Data are provided for export in excel and csv formats.

Data notes

Data sources

The Provincial Surveillance Information system (PSI) is a laboratory surveillance system which receives positive results for all Notifiable Diseases and diseases under laboratory surveillance from Alberta Precision Labs (APL). The system also receives negative results for a subset of organisms such as COVID-19. The system contains basic information on characteristics and demographics such as age, zone and gender. The Communicable Disease Reporting System (CDRS) at Alberta Health and the Communicable Disease Outbreak Management (CDOM) system at Alberta Health Services contains information on COVID-19 cases. Data Integration and Measurement Reporting (DIMR) database at Alberta Health Services contains up to date information on people admitted and discharged from hospital in Alberta. Information such as hospitalizations and ICU admissions are received through enhanced case report forms sent by Alberta Health Services (AHS).

Definitions

Recovered

Active and recovered status is a surveillance definition to try to understand the number of active cases in the population. It is not related to clinical management of cases. It is based on the assumption that a case is recovered 14 days after a particular date. For confirmed cases, specimen collected date is used and for probable cases date reported to Alberta Health is used. If a case is hospitalized, the recovered date is when their symptoms have resolved based on case follow-up, or 10 days after being discharged.

COVID-19 Deaths

A death resulting from a clinically compatible illness, in a probable or confirmed COVID-19 case, unless there is a clear alternative cause of death identified (e.g., trauma, poisoning, drug overdose).

A Medical Officer of Health or relevant public health authority may use their discretion when determining if a death was due to COVID-19, and their judgement will supersede the above criteria.

A death due to COVID-19 may be attributed when COVID-19 is the cause of death or is a contributing factor.

Lab Positivity

COVID-19 percent positivity in Alberta is calculated using the Test Over Test method, which is the same method employed by the US Centers for Disease Control and Prevention. The calculation is as follows:

Daily Number of Positive Tests / (Daily Number of Positive Tests + Daily Number of Negative Tests) Q/RT-PCR tests are the only COVID-19 tests included in this calculation.

https://www.cdc.gov/coronavirus/2019-ncov/lab/resources/calculating-percent-positivity-faq.html

Comorbidities

The following comorbitities are included in respective analyses: Diabetes, Hypertension, COPD, Cancer, Dementia, Stroke, Liver cirrhosis, Cardiovascular diseases (including IHD and Congestive heart failure), Chronic kidney disease, and Immuno-deficiency.

Disclaimer

The content and format of this report are subject to change. Cases are under investigation and numbers may fluctuate as cases are resolved. Data included in the interactive data application are up-to-date as of end of day April 06, 2021.

COVID-19 in Alberta

Highlights

New Cases

Total Cases

Characteristics

Healthcare Workers

Severe outcomes

Summary

Comorbidities

Geospatial

Laboratory testing

Variants of Concern

Summary

Data export

Data notes

Data sources

Definitions

Recovered

COVID-19 Deaths

Lab Positivity

Comorbidities

Disclaimer

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