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The information in this chapter is from a new series of information bulletins produced by the Central Statistics Office (CSO), that aim to provide insights into those who have either died from or contracted COVID-19, by using data from the Computerised Infectious Disease Reporting (CIDR) provided to the CSO by the Health Protection Surveillance Centre and data from the HSE’s Swiftcare (A2i) and COVID Care Tracker (CCT) systems. This Bulletin covers the period from 28 February to 02 October 2020.

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By analysing the six months of summaries of COVID-19 confirmed cases since March in Table 28.1, we can see the difference in the profile of people infected over this time. Women still make up the majority of confirmed cases, but in recent months this difference has lessened with men accounting for 52% of cases in August and 49% of all cases in September.

The percentage of cases amongst younger age groups has also increased in more recent months with confirmed case rates in people aged under 24 at 34% in September compared with less than 10% in March and April. A different trend can be seen in the over 80s age group, which have accounted for 2% of cases since July compared with 20% in April.

The incidence levels of the virus decreased in the Dublin region over the summer months, but made up 48% of cases in September, while the percentage of cases in the Midlands, Mid East and Mid West decreased in September following increases in August. The Border, West and South West regions have also seen increases in September.

Health care workers made up 7% of all confirmed cases in September and the CSO notes that the number of health care workers affected by the virus has been falling each month since this group of people accounted for 36% of all cases in April.

Looking at analysis of the Electoral Districts (ED) of confirmed cases we can see that since the number of cases started to rise again in July there has been an increase in cases in areas where median household income is lower, there is higher working age welfare dependency and a large proportion (>25%) of the population live in rental accommodation. However, September has seen an increase of confirmed cases in areas of lower working age welfare dependency and where a smaller proportion (<15%) of the population live in rental accommodation.

Month0-14 years15-24 years25-44 years45-64 years65-79 years80 years and over
March150685350633981003706<8
April2108774022355515302540
May1132821057752253338
June2855144863146
July821403221604613
August350712119870815258
September912200828201979578200
Table 28.1: Monthly Profile of COVID-19 Confirmed Cases

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The overall mortality rate is 41 per 1,000 confirmed cases, this was highest in April at 74 per 1,000 confirmed cases but has been less than five in August and September. The overall hospitalisation rate is 120 people per 1,000 confirmed cases, this was highest in March at 192 per 1,000 confirmed cases and is 40 in September. The overall ICU admission rate is 13 per 1,000 confirmed cases, this was also highest in March at 28 per 1,000 confirmed cases and is four people per 1,000 cases in August and three per 1,000 in September. (Note: It is important to note that there is a time lag between the onset of symptoms and hospital admission or death. Also note that September rates are provisional).

Table 28.2 Mortality, Hospitalisation and Intensive Care Unit (ICU) admission rates

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There were 76,899 referrals for community testing where a valid reservation was recorded in the week ending 02 October. Some 60% of referrals were from GPs in the week ending 02 October.

Testing numbers cannot be directly compared with referrals for community testing; there is a significant number of tests completed in hospitals as well as a time lag between referral and test completion. A number of referrals also do not result in a test being completed. The positivity rate in the week ending 02 October was 3.2%.

Week EndingTests CompletedPositivity Rate
27/03/2020147818.93714904268994
03/04/20201298823.2445334154604
10/04/20202882415.2303635859006
17/04/20203644918.3187467420231
24/04/20202571916.2642404448073
01/05/2020494646.43902636260715
08/05/2020564953.44278254712806
15/05/2020422593.22061572682742
22/05/2020354362.00361214584039
29/05/2020264411.82670852085776
05/06/2020198281.58866249747831
12/06/2020199900.840420210105053
19/06/2020189900.62664560294892
26/06/2020184210.575430215514901
03/07/2020310540.267276357313068
10/07/2020456380.297997282965949
17/07/2020499250.312468703054582
24/07/2020506280.231097416449396
31/07/2020406520.570697628652957
07/08/2020250431.62919777981871
14/08/2020411391.42443909672087
21/08/2020615651.19873304637375
28/08/2020542741.49979732468585
04/09/2020636971.26850558111057
11/09/2020707811.67276529012023
18/09/2020814632.26360433571069
25/09/2020906972.50
02/10/2020866693.20
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Deaths

The data produced by the CSO in Table 28.2 is based on the Actual Date of Death. The total number of people who have died from COVID-19 is 1,572, with a further 229 deaths cited as probable deaths linked to the virus.

The virus claimed the lives of 36 more men than women up to and including the week ending 02 October. It also continues to impact the older age groups the hardest, with 64% of all confirmed COVID-19 deaths to date in the 80 years old or older age group.

Confirmed Cases

The total number of confirmed cases is 38,554. More than half (55%) of all confirmed cases are now linked to an outbreak. The median age of total confirmed COVID-19 cases is now 45.

Some 3,562 more females were diagnosed with COVID-19 than males.

The 25-44 age group still show the highest number of confirmed COVID-19 cases at 13,294.

The median age of new confirmed COVID-19 cases was 33 years old for the week ending 02 October.

Table 28.3 Profile of COVID-19 Deaths and Cases up to and including Friday October 02 2020

Table 28.4 & 28.4A Weekly Profile of COVID-19 Confirmed Deaths

Table 28.5 & 28.5A Weekly Profile of COVID-19 Confirmed Cases

Table 28.6 & 28.6A Weekly Electoral Division (ED) Analysis of Confirmed Covid-19 Cases

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Contacts

The average number of contacts per positive case per week is five in the week ending 25 September. 

Hospitalisations

4,599 people were hospitalised up to and including the week ending 02 October, this is the second week in a row that the number of people that were hospitalised has increased. For the second week in a row, there have been less than five people admitted to an Intensive Care Unit (ICU). (Note: These figures may need to be adjusted if someone’s condition worsens as there is a time lag between onset of symptoms and hospitalisation.)

Outbreaks

There have been 21,062 positive COVID-19 cases linked to an outbreak, which is defined as two or more cases in the same location and time. Women account for 53% of all cases linked to an outbreak.

The median age of confirmed cases related to an outbreak is 45.

48% of cases linked to an Outbreak are under 44 years old and 34% were located in private houses up to and including the week ending 02 October.

Underlying Conditions

There have been 1,494 deaths of people with underlying conditions from 13,385 confirmed cases with underlying conditions. The median age of those dying with underlying conditions is 83.

There were 1,383 deaths of people with underlying conditions in the over 65 age group. Of the 125 deaths in the 25-64 age group, 109 had underlying conditions.

In terms of underlying conditions, chronic heart disease was present in 44% of deaths.

Table 28.7 Average Contacts per Positive COVID-19 case by Age Group

Table 28.8 & 28.8A Weekly Profile of New COVID-19 Cases who are Subsequently Hospitalised

Table 28.9 & 28.9A Weekly Profile of Confirmed Cases linked to COVID-19 Outbreaks

Table 28.10 Profile of COVID-19 Patients with Underlying Conditions up to and including Friday October 02 2020

Table 28.11 Weekly Referrals for Community COVID-19 Tests, Tests Completed and Positivity Rate

For further COVID-19 related information go to the CSO COVID-19 Information Hub

Full statistical tables can be downloaded here:  COVID-19 Deaths and Cases, Series 13

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