Leslie Massey
As of November 2021, Austria has one of the lowest vaccination rates in Western Europe, with only around 65% of the total population fully vaccinated. In the same month, the Austrian government ordered a nationwide lockdown for unvaccinated people to combat rising coronavirus infections and deaths. While comprehensive analyses of COVID-19 case fatality rates (CFRs) and infection fatality rates (IFRs) are not yet available, studies have been conducted to understand the correlation between vaccination rates and COVID-19 incidence in Austria.
| Characteristics | Values |
|---|---|
| Case Fatality Rate (CFR) | 0.31% overall, 5.9% highest in April 2020, 0.07% lowest in January 2022 |
| Infection Fatality Rate (IFR) | 0.16% overall, 0.08% lowest for BA.1 variant |
| Vaccination Rate | 65% fully vaccinated, 59.5% median rate |
| Incidence Rate | 775.5 per 100,000 inhabitants (seven-day rate), 194.5 median rate |
| Re-infection Rate | 0.27% among first-wave survivors |
| Seroprevalence | Stable from May 2022 to March 2023 in Tyrol, Austria |
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What You'll Learn
Austria has one of the lowest vaccination rates in Western Europe
In November 2021, Austria became the first country in Western Europe to reimpose a full lockdown to tackle a new wave of COVID-19 infections. The country also mandated that its entire population be vaccinated by February. This was due to Austria having one of the lowest vaccination rates in Western Europe, with a median vaccination rate of around 59.5% in late 2021.
Several studies have found a negative correlation between vaccination rates and COVID-19 incidence rates in Austria. One study, which examined the association between average COVID-19 7-day incidence rates per 100,000 inhabitants and the percentage of the population with a valid COVID-19 vaccination certificate, found a moderate negative correlation (r = -0.60, p < 0.001) across Austria's 94 districts. Another study, which looked at vaccination coverage and COVID-19 incidence (7-day average) across Austrian districts, also found a negative correlation between vaccination and COVID-19 incidence rates, both when the incidence was stable and when it increased.
Despite the mandate, by June 2022, the vaccination rate had only increased to around 64%, and the Austrian government decided to drop the compulsory vaccination rule, stating that it was unlikely to encourage more people to get vaccinated. Chancellor Schallenberg had previously expressed concern about the potential for a "fifth wave, sixth wave, [or] seventh wave" of COVID-19 infections if vaccination rates did not improve.
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COVID-19 case fatality rates and infection fatality rates
The COVID-19 case fatality rate (CFR) is the proportion of deaths from the disease among those diagnosed with it. The infection fatality rate (IFR) is an estimate of the death rate among all those infected with SARS-CoV-2, the virus that causes COVID-19. The difficulty in determining the IFR is that many infected people do not show symptoms and are not tested. Accurate population and subgroup estimates of CFRs and IFRs are crucial for health officials and policymakers to make informed decisions about mitigating the spread of the disease, identifying at-risk communities, and allocating resources effectively.
In Austria, studies have found a negative correlation between vaccination rates and COVID-19 incidence rates, indicating that higher vaccination coverage is associated with lower infection rates. However, the relationship between vaccination rates and the change in incidence rates during periods of stable infection dynamics is less clear. The overall 30-day COVID-19 mortality CFR in Austria was 0.31%, with the highest monthly CFR of 5.9% in April 2020 and the lowest of 0.07% in January 2022. The CFR was significantly higher in the elderly (7.88% for the 85+ year group) and nursing home residents (7.92%). The total SARS-CoV-2 infections were estimated to be nearly double the confirmed cases, resulting in an overall IFR of 0.16%.
Several factors influence the variation in CFRs and IFRs across different countries and populations. Age is a significant factor, with older individuals generally having higher case fatality rates. For example, data from China showed CFRs ranging from 0% for cases under nine years old to 15% for those over 80. The presence of other illnesses, such as cardiovascular disease, also increases the risk of mortality from COVID-19. Gender has also been found to play a role, with males having higher infection and case fatality rates than females in certain populations. Additionally, race and ethnicity impact infection and fatality rates, with African Americans experiencing disproportionately higher rates in the United States.
The global COVID-19 rCFR (reported case-fatality rate) showed an increasing trend until the 17th epidemiological week in 2020 and then started to decline. This decline could be attributed to various factors, including an increased rate of infection in younger people, improved healthcare management, the use of drugs that reduce mortality, and the shielding of vulnerable individuals. However, the exact reasons for the decline require further investigation.
Estimating COVID-19 infection and fatality rates is a complex task due to the dynamic nature of the virus and the varying testing capacities and strategies across countries. As the pandemic evolves, ongoing research and analysis are necessary to understand the impact of different variables and guide public health policies effectively.
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COVID-19 vaccination rates and incidence rates
As of March 2022, studies have shown a moderate negative correlation between COVID-19 vaccination rates and incidence rates in Austria. The median COVID-19 incidence rate was 194.5 cases per 100,000 inhabitants, with a median vaccination rate of 59.5%. The subsequent change in incidence rates amounted to a median increase of 262.3 cases per 100,000 inhabitants.
The analysis revealed a slight to moderate negative relationship between vaccination rates and COVID-19 incidence rates (r = -0.45, p<.001). However, there was no correlation between vaccination rates and the change in incidence rates (r = -0.14, p = 0.186). This indicates that while vaccination coverage may impact the number of COVID-19 cases, it does not necessarily influence the rate at which cases increase or decrease.
It is important to note that the analysis was conducted at the group level, and the results may not be valid for individuals within the groups. Additionally, other factors such as age, virus variant infectivity, and the timing of booster vaccinations may also influence the spread of COVID-19.
Austria has been facing challenges with vaccine hesitancy, which has led to polarization within society. The Austrian government has announced a general COVID-19 vaccine mandate to increase vaccination rates, but this has also contributed to the societal divide. Studies have shown that interventions such as easing societal restrictions, offering incentives, and clear communication about vaccine effectiveness and risks can help reduce vaccine hesitancy.
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The severity of COVID-19 among the elderly
The COVID-19 pandemic has had a devastating impact on people of all ages, but the elderly have been particularly vulnerable to severe illness and death from the disease. Research has shown that older patients with COVID-19 have a higher risk of developing severe or critical pneumonia and experiencing higher fatality rates. In Austria, the overall 30-day COVID-19 mortality rate was 0.31%, but it peaked at 5.9% in April 2020. The elderly, especially those aged 85 and above, had a much higher CFR of 7.88%.
Several factors contribute to the increased severity of COVID-19 among the elderly. Firstly, older individuals tend to have a higher prevalence of underlying medical conditions or comorbidities, such as hypertension, diabetes, coronary heart disease, COPD, anemia, and tumors. These comorbidities can compromise their overall health and make it more challenging for their bodies to fight off the virus.
The immune system also plays a crucial role in the severity of COVID-19 infections. As people age, their immune systems undergo changes that make it more difficult to mount an effective response against pathogens like SARS-CoV-2. Research has shown that elderly patients with COVID-19 have lower frequencies of the immune cells needed to combat the virus, particularly "killer" T cells or cytotoxic T cells, which are essential for recognizing and eliminating infected cells. This diminished immune response leaves older individuals at a higher risk of severe disease and death from COVID-19.
Additionally, age-related physiological changes and increased frailty can make elderly individuals more susceptible to severe COVID-19 outcomes. They may have reduced lung capacity or underlying respiratory conditions, making them more vulnerable to respiratory complications such as pneumonia.
To address the heightened vulnerability of the elderly, predictive models and risk assessment tools have been developed to help clinicians evaluate the severity of COVID-19 in this population. These models consider various factors, including biomarkers, comorbidities, and clinical characteristics, to predict the likelihood of severe or critical illness. By utilizing these tools, healthcare providers can implement early interventions and provide specialized care to improve outcomes for elderly patients with COVID-19.
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Austria's pandemic death toll
As of 2025, there are no specific figures for Austria's pandemic death toll. However, a few studies provide insights into the country's COVID-19 situation. One study from March 25, 2022, analysed the association between COVID-19 incidence rates and vaccination rates. It found a moderate negative correlation between the two, indicating that higher vaccination rates were linked to lower COVID-19 cases.
Another study from 2020 to 2023 examined COVID-19 case fatality rates (CFRs) and infection fatality rates (IFRs) in Austria. It reported an overall 30-day COVID-19 mortality CFR of 0.31%, with the highest monthly rate at 5.9% in April 2020 and the lowest at 0.07% in January 2022. The study also highlighted the disproportionate impact of COVID-19 on the elderly, especially those in nursing homes, who accounted for 30.82% of COVID-19 deaths despite representing only 1.22% of diagnosed infections.
It is important to note that factors such as age, overall health of the population, medical care, and classification of deaths can influence the variation in CFRs between countries. Additionally, the true number of COVID-19-related deaths may be higher than confirmed cases due to differences in testing programmes and reporting methods across countries.
In November 2021, the Austrian government implemented a nationwide lockdown for unvaccinated individuals to curb rising infections and deaths. This decision was made to protect the population and ensure hospitals could manage the influx of COVID-19 patients.
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Frequently asked questions
The COVID-19 case fatality rate in Austria was 0.31% overall, but it varied from month to month, with the highest rate at 5.9% in April 2020 and the lowest at 0.07% in January 2022.
The COVID-19 fatality rate was influenced by factors such as age, with the 85+ age group having a rate of 7.88%. Nursing home residents had a rate of 7.92% and accounted for 30.82% of all COVID-19 deaths. The type of virus variant also played a role, with the Wuhan-Hu-1 variant having a higher fatality rate than the BA.1 variant.
Studies have shown a negative correlation between vaccination rates and COVID-19 incidence rates in Austria. This means that as vaccination rates increased, COVID-19 incidence rates tended to decrease. However, the relationship is complex and influenced by various factors, including the specific virus variant and individual behaviour.
A study examining the first wave of COVID-19 (February to April 30, 2020) found a relatively low re-infection rate of 0.27% among survivors.
In November 2021, Austria faced a concerning rise in infections, with a seven-day infection rate of 775.5 new cases per 100,000 inhabitants. The government imposed a lockdown specifically for unvaccinated individuals to curb the spread of the virus.
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