COVID-19 in Alberta

Data included in the interactive data application are up-to-date as of end of day April 30, 2021, unless stated otherwise.

Highlights

646
current hospitalizations

152
current ICU

2,083
total deaths ⚱

22,504
active cases

10.37%
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 April 24-April 30, 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 April 24-April 30, 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 April 24-April 30, 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 30, 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 30, 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 30, 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	517	0	577	0	3	0	1,097	1
1-4 years	3,186	2	3,342	2	6	0	6,534	3
5-9 years	4,406	2	4,894	3	5	0	9,305	5
10-19 years	12,341	6	13,064	7	20	0	25,425	13
20-29 years	17,481	9	17,993	9	36	0	35,510	18
30-39 years	17,863	9	18,638	10	11	0	36,512	19
40-49 years	15,166	8	15,242	8	15	0	30,423	16
50-59 years	11,152	6	11,656	6	9	0	22,817	12
60-69 years	6,408	3	7,018	4	4	0	13,430	7
70-79 years	3,034	2	2,965	2	1	0	6,000	3
80+ years	3,697	2	2,316	1	0	0	6,013	3
Unknown	36	0	46	0	19	0	101	0
All	95,287	49	97,751	51	129	0	193,167	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	4034	263	3768	3
Central Zone	809	85	724	0
Edmonton Zone	4947	196	4748	3
North Zone	786	77	709	0
South Zone	565	66	498	1
Alberta	11141	687	10447	7
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.

Immunizations

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 61 years (range: 0-104)
Average age for COVID cases not hospitalized is 35 years (range: 0-108)

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

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	193167	7925	4.1	179.2	1379	0.7	31.2	2083	1.1	47.1
Under 1 year	1097	54	4.9	104.4	13	1.2	25.1	0	0.0	0.0
1-4 years	6534	29	0.4	13.3	5	0.1	2.3	0	0.0	0.0
5-9 years	9305	24	0.3	8.6	12	0.1	4.3	0	0.0	0.0
10-19 years	25425	119	0.5	22.3	16	0.1	3.0	0	0.0	0.0
20-29 years	35510	415	1.2	70.1	43	0.1	7.3	8	0.0	1.4
30-39 years	36512	696	1.9	97.3	88	0.2	12.3	11	0.0	1.5
40-49 years	30423	887	2.9	145.8	182	0.6	29.9	31	0.1	5.1
50-59 years	22817	1263	5.5	229.3	297	1.3	53.9	81	0.4	14.7
60-69 years	13430	1393	10.4	293.6	387	2.9	81.6	229	1.7	48.3
70-79 years	6000	1344	22.4	515.7	257	4.3	98.6	423	7.0	162.3
80+ years	6013	1698	28.2	1210.5	78	1.3	55.6	1299	21.6	926.1
Unknown	101	3	3.0	NA	1	1.0	NA	1	1.0	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 2021-04-30.

Condition	Count	Percent
Hypertension	1781	85.5%
Cardio-Vascular Diseases	1113	53.4%
Dementia	1034	49.6%
Renal Diseases	985	47.3%
Diabetes	934	44.8%
Respiratory Diseases	856	41.1%
Cancer	494	23.7%
Stroke	433	20.8%
Liver Diseases	85	4.1%
Immuno-Deficiency Diseases	47	2.3%
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 2021-04-30.

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 2021-04-30.

	Non-Severe		Non-ICU		ICU		Deaths
	Number	Percent	Number	Percent	Number	Percent	Number	Percent
No comorbidity	127322	69.0%	1384	24.5%	224	21.4%	55	2.6%
With 1 condition	36551	19.8%	1045	18.5%	220	21.1%	145	7.0%
With 2 conditions	11781	6.4%	1005	17.8%	248	23.7%	289	13.9%
With 3 or more conditions	8743	4.7%	2208	39.1%	353	33.8%	1594	76.5%

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	76,831	40
Central Zone	16,349	8
Edmonton Zone	68,798	36
North Zone	20,587	11
South Zone	10,507	5
Unknown	95	0
All	193,167	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: 710 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	4,177,040
People tested	2,042,876

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

Zone	Count	Percent
Calgary Zone	824,936	40
Central Zone	185,114	9
Edmonton Zone	659,974	32
North Zone	197,684	10
South Zone	128,209	6
Unknown	46,959	2
All	2,042,876	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	6,666	0	7,632	0	25	0	14,323	1
1-4 years	40,691	2	45,115	2	48	0	85,854	4
5-9 years	66,922	3	72,758	4	83	0	139,763	7
10-19 years	135,672	7	137,536	7	281	0	273,489	13
20-29 years	166,769	8	144,903	7	412	0	312,084	15
30-39 years	195,851	10	171,883	8	429	0	368,163	18
40-49 years	156,003	8	133,786	7	320	0	290,109	14
50-59 years	129,549	6	107,000	5	238	0	236,787	12
60-69 years	92,586	5	81,126	4	131	0	173,843	9
70-79 years	44,233	2	39,864	2	49	0	84,146	4
80+ years	38,888	2	24,298	1	83	0	63,269	3
Unknown	374	0	362	0	309	0	1,046	0
All	1,074,204	53	966,263	47	2,408	0	2,042,876	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.

22,504 active cases in Alberta
- 13,986 active cases (62.1% of total) have been identified as variants of concern.
31,982 variants of concern identified
- 13,986 active
- 17,910 recovered
- 86 died
58,013 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 30, 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	B.1.617 India Variant	P.1 Brazilian Variant	Total
Calgary Zone	13,122	58	0	490	13,670
Central Zone	3,756	1	0	68	3,825
Edmonton Zone	8,657	35	1	482	9,175
North Zone	3,486	0	0	242	3,728
South Zone	1,509	0	0	54	1,563
Unknown	21	0	0	0	21
Alberta	30,551	94	1	1,336	31,982

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	5,640	20	8,010	13,670
Central Zone	1,745	8	2,072	3,825
Edmonton Zone	4,169	48	4,958	9,175
North Zone	1,765	5	1,958	3,728
South Zone	647	5	911	1,563
Unknown	20	0	1	21
Alberta	13,986	86	17,910	31,982

Data export

Data are subject to change. Fluctuations are expected as cases are investigated and updated. Data are provided for export in csv format.

Case data

Data included up to end of day April 30, 2021.

Download

Vaccine data

Data included up to end of day April 30, 2021.

Download

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).

COVID-19 immunizations and AEFIs are reported to the Provincial Immunization and Adverse Reaction to Immunization (Imm/ARI) repository. In Alberta, all health practitioners are required by law to report Adverse Events Following Immunization (AEFI) to Imm/ARI. The reporting requirements are outlined in the Immunization Regulation, under the Public Health Act. Case definitions are further defined in the AEFI Policy. As of January 1, 2021, all health practitioners are required to report all (both provincially funded and privately purchased) immunizations electronically to Imm/ARI.

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.

Vaccine coverage

Individuals who received at least one dose was calculated as (# of individuals who received at least one dose) / (population estimate). Those who received two doses was calculated as (# of individuals who received two doses) / (population estimate).

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 30, 2021.

1,597,666
total doses administered

29%
population who received at least one dose

6.7%
population fully immunized

Immunization data are up-to-date as of end of day April 30, 2021

1,597,666 doses of COVID-19 vaccine have been administered in Alberta
28.7 percent of population has received at least one dose
6.6 percent of population fully immunized

Cumulative COVID-19 vaccine doses received and administered by day in Alberta

Number of COVID-19 vaccine doses administered by day in Alberta

Number of COVID-19 vaccine doses administered by dose 1 and dose 2 and day

Cumulative COVID-19 vaccine doses administered in Alberta

Cumulative percent of individuals who received at least one dose or are fully immunized by day in Alberta

Table 1. Breakdown of COVID-19 vaccine doses administered by provider.

	Dose 1	Dose 2	Total administered
Alberta Health Services	741,981	252,438	994,419
Pharmacies	520,610	36,862	557,472
Other	35,146	10,629	45,775
Total	1,297,737	299,929	1,597,666

Note: Other includes submissions from First Nations communities and online submissions from other providers (e.g. physician clinics).

Table 2. Summary of COVID-19 vaccine doses administered and vaccine coverage by age group

Age group	Population	Dose 1	% of population with at least 1 dose	Dose 2	% of population fully immunized	Total administered
00-15	881,538	0	0.0	0	0.0	0
16-19	206,988	10,237	4.9	729	0.4	10,966
20-24	276,991	27,295	9.9	4,502	1.6	31,797
25-29	310,735	38,618	12.4	8,770	2.8	47,388
30-34	356,322	50,032	14.0	10,742	3.0	60,774
35-39	366,699	61,527	16.8	11,873	3.2	73,400
40-44	325,544	101,108	31.1	11,181	3.4	112,289
45-49	291,312	99,840	34.3	10,569	3.6	110,409
50-54	262,948	101,803	38.7	9,463	3.6	111,266
55-59	285,387	132,287	46.4	9,400	3.3	141,687
60-64	271,707	158,211	58.2	10,227	3.8	168,438
65-69	217,596	163,804	75.3	8,531	3.9	172,335
70-74	166,506	130,489	78.4	21,294	12.8	151,783
75-79	107,003	87,358	81.6	72,762	68.0	160,120
80-84	69,877	58,546	83.8	49,704	71.1	108,250
85-89	44,852	37,808	84.3	32,583	72.6	70,391
90+	28,637	24,327	84.9	21,480	75.0	45,807
Unknown	NA	14,447	NA	6,119	NA	20,566
ALL	4,470,643	1,297,737	29.0	299,929	6.7	1,597,666

Geographies can be displayed by Alberta Health Services Zone. Individuals without a postal code or incorrect postal codes are not included.

263 adverse events following immunization (AEFI) have been reported to Alberta Health. This represents 258 people, and 276 symptoms.
- 191 related to Pfizer
- 55 related to Moderna
- 17 related to AstraZeneca
There have been 2,285 vaccine refusals and 600 contraindications to receiving the vaccine

Number of adverse events following immunization (AEFI) by condition reported in Alberta

Note: Information is collected on individuals and reported to Alberta Health when an AEFI is confirmed. One AEFI report can have multiple events associated with it. For AEFI definitions, please refer to this link.

Notifications

COVID-19 Alberta statistics

COVID-19 in Alberta

Highlights

New Cases

Total Cases