
The number of people hospitalized due to COVID-19 has been a key metric in understanding the impact of the pandemic and the effectiveness of the healthcare system in dealing with it. However, determining an accurate count of COVID-19 hospitalizations has been challenging. In the United States, for instance, the federal government's change in reporting procedures caused confusion, with some states experiencing information blackouts. Discrepancies in data reporting have also been observed, with federal data sometimes differing significantly from state-reported figures. For example, New York State once reported fewer than 600 hospitalizations, while federal data estimated around 1,800. Such inconsistencies highlight the difficulty in obtaining precise hospitalization numbers.
| Characteristics | Values |
|---|---|
| Date | 3rd January 2022 |
| Location | The US |
| Number of People Hospitalized | More than 100,000 |
| Previous Record | 142,000 on 14th January 2021 |
| Pediatric Hospitalizations | Almost doubled in New Jersey in 7 days |
| Pediatric Hospitalizations in Illinois | Almost tripled since the beginning of December |
| Primary Age Group | Unvaccinated adults |
| Hospitalization Rate for Unvaccinated Adults | 8 times higher |
| Hospitalization Rate for Unvaccinated Children (12-17) | 10 times higher |
| Cause of Rise in Hospitalizations | Omicron variant |
| Omicron Variant | Causes milder illness but spreads quickly |
| Omicron Narrative | "This narrative that it's just a mild virus is not accurate" - Dr. Peter Hotez |
| Location | Canada |
| Number of People Hospitalized | 120,000 |
| Average Length of Stay | 20 days |
| Number of Deaths | 12,000 |
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What You'll Learn

Inconsistent data reporting
For instance, the World Health Organization (WHO) relies solely on data reported by its member states. While some countries provide daily updates, others report less frequently, leading to potential discrepancies in the timeliness and granularity of the data. Furthermore, countries employ different methodologies for case detection, testing strategies, and reporting practices, which can result in variable under or overestimation of case and death counts.
In the United States, data reporting at the state level has also faced challenges. For example, in New York, data released by Governor Kathy Hochul indicated that a majority of hospitalized patients who tested positive for COVID-19 were seeking treatment for other ailments. This highlighted that the healthcare system might be in a better position than suggested by some data metrics. However, it also underscores the complexity of interpreting hospitalization data, especially when a large proportion of patients are hospitalized with COVID-19 rather than because of it.
The CDC has also made changes to its data collection schedule, transitioning to an eight-week interval for the nationwide COVID-19 infection-induced antibody seroprevalence survey. While such adjustments are necessary to adapt to the evolving nature of the pandemic, they can also contribute to inconsistencies in data reporting over time.
The inconsistencies in data reporting have significant implications for public health decision-making and policy formulation. It underscores the importance of transparent and standardized reporting practices to ensure that the data accurately reflects the epidemiological situation.
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Underlying conditions of patients
It is important to note that there is no definitive answer to the question of how many people have been hospitalized due to COVID-19. This is partly because the federal government's change in reporting procedures has created widespread confusion, with some states experiencing temporary information blackouts.
However, according to data from the CDC, hypertension is the most common underlying condition in adults hospitalized with COVID-19. Almost 60% of hospitalized COVID-19 patients had hypertension as of April 18, compared to 25% in the US adult population with a confirmed diagnosis and 45% who are suspected to have it. Obese patients are also slightly overrepresented among hospitalized COVID-19 patients. Interestingly, patients with chronic lung disease or asthma were only somewhat overrepresented, while cardiovascular disease was present in 32% of adult coronavirus patients in US hospitals, despite only 12% of US adults being diagnosed with this condition.
Age is the most significant risk factor for severe COVID-19 outcomes, with the risk increasing substantially in people over 65. However, it is important to note that residents of long-term care facilities are also at increased risk, regardless of age.
In addition to age and underlying medical conditions, vaccination status also plays a crucial role in determining the risk of severe COVID-19 outcomes. Patients who are unvaccinated or not up-to-date with their COVID-19 vaccinations, including recommended boosters, are at a higher risk of severe illness. This is true for both adults and children.
While the number of hospitalizations among children for COVID-19 has been increasing, it is important to note that they still represent a small fraction of cases among adults. Additionally, the majority of hospitalized patients who test positive for COVID-19 do not require specific treatment for the virus, indicating that they were admitted for a different primary ailment.
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Omicron's impact on hospitalizations
While it is difficult to ascertain the exact number of people hospitalized due to COVID-19, the Omicron variant has had a significant impact on hospitalizations worldwide. As of May 8, 2022, Omicron represented 98.4% of global COVID-19 cases, according to GISAID, and has become the dominant variant in many countries.
In the United States, the Omicron variant has resulted in a surge of infections, with federal data from March 2022 reporting over 70,000 hospitalizations across the country. While the data suggests that a majority of hospitalized patients who test positive for COVID-19 are seeking treatment for other ailments, the impact of Omicron on hospitalizations cannot be understated. In New York, for instance, hospitalizations surged to their highest levels since April 2020, with about 11,500 COVID-19 patients hospitalized as of January 6, 2022.
The Omicron variant has been associated with a reduced risk of hospitalization compared to previous variants. Studies have shown that Omicron infections result in a 52% reduction in the risk of any subsequent hospitalization and a 53% reduction in the risk of symptomatic hospitalization compared to Delta variant infections. Additionally, the duration of symptoms is significantly shorter for Omicron, with vaccinated individuals experiencing an average of 6.87 days of symptoms compared to 8.89 days for Delta.
However, the sheer number of infections driven by Omicron's high transmissibility has still resulted in a substantial number of hospitalizations. The World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC) have reported that the Omicron variant has resulted in a significant increase in hospitalizations, particularly among unvaccinated teenagers and preteens. While Omicron may cause less severe illness than previous variants, the surge in cases has put a strain on healthcare systems worldwide.
The impact of Omicron on hospitalizations has been mitigated to some extent by vaccinations, masking, and social distancing. However, the reduced effectiveness of vaccines against Omicron, along with its ability to evade immunity from previous infections, has contributed to the surge in infections and subsequent hospitalizations. The ongoing evolution of SARS-CoV-2 and the emergence of new variants continue to pose challenges to public health and healthcare systems worldwide.
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Children hospitalized with COVID-19
Children are generally at a lower risk of severe COVID-19 infection and hospitalization than adults. However, some children may still experience severe symptoms that require hospitalization. In New York, the number of children hospitalized with COVID-19 has increased significantly, especially among unvaccinated teenagers and preteens.
Children with underlying medical conditions are at a higher risk of hospitalization due to COVID-19. A study found that more than half of the children hospitalized with COVID-19 had at least one underlying condition, and 33.8% had two or more. The most common underlying conditions among children aged 6 to 23 months included prematurity and cardiovascular disease. For children aged 2 years and older, neurologic disorders, asthma, chronic lung disease, obesity, and feeding tube dependence were frequently reported. Chronic lung disease, neurologic disorders, and cardiovascular disease were associated with a greater risk of severe COVID-19 in young children. Overall, children with any comorbidities were at a higher risk of hospitalization than those without.
Vaccination is one of the most effective ways to prevent severe COVID-19 in the general population, and vaccines have been available for children of various age groups. However, vaccine uptake among children has been suboptimal. In a study, only 3.8% of children hospitalized with COVID-19 were up to date on their COVID-19 vaccinations, which is lower than national estimates. Increasing COVID-19 vaccination rates among eligible children, especially those with underlying conditions, could help reduce pediatric hospitalizations and severe outcomes.
The treatment guidelines for children hospitalized with COVID-19 are based on safety and efficacy data from adult clinical trials, the child's risk of disease progression, and expert opinions. For children aged 12 years and older admitted for COVID-19, prophylactic anticoagulation is recommended unless contraindicated. For younger children at high risk of severe COVID-19, some panel members suggest considering prophylactic anticoagulation as well. Additionally, for children aged 12 to 17 years who are severely immunocompromised, remdesivir may be considered.
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Hospital bed capacity
During the COVID-19 pandemic, hospital bed capacity has been a significant concern for healthcare systems worldwide. The availability of hospital beds is crucial in ensuring that patients receive the necessary medical care, especially during a public health crisis.
In the United States, the surge in COVID-19 cases has raised concerns about overwhelming hospital bed capacity. According to data from the American Hospital Association Annual Survey in 2018, the US had approximately 728,000 medical and surgical hospital beds available to the public, translating to 2.2 hospital beds per 1,000 people. However, only 36% of these beds were typically unoccupied, leaving just 0.8 unoccupied beds per 1,000 people. This limited number of unoccupied beds posed a challenge as COVID-19 cases increased, leading to concerns about the healthcare system's ability to accommodate the influx of patients.
Some counties severely affected by COVID-19, such as King County, Washington, and Westchester County, New York, had lower-than-average unoccupied beds per 1,000 residents. This disparity in bed availability across counties highlighted the importance of understanding hospital capacity variations to effectively respond to the pandemic. Strategies for increasing hospital surge capacity and managing patient flow became crucial in addressing the varying demands on hospital resources.
To manage bed capacity during the pandemic, coordination centers were established in some regions. For example, the COVID-19 coordination center in the Rhein-Neckar area and Heidelberg, Germany, utilized software to provide doctors with real-time information on available bed capacities. This allowed for efficient patient assignment and ensured prompt access to the best possible care. Additionally, Heidelberg University Hospital automated its occupancy plan for COVID-19-related beds, further enhancing their ability to manage patient needs.
In New York, data from January 2022 revealed that hospitalizations were growing faster among teens than adults, with the Omicron variant driving a surge in cases. However, it was noted that a majority of hospitalized individuals who tested positive for COVID-19 were seeking treatment for other ailments. This indicated that the healthcare system might be better equipped to handle the situation than some data suggested. Nonetheless, the increasing number of hospitalizations, even among a small percentage of COVID-19 cases, could still result in substantial numbers requiring medical care.
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Frequently asked questions
As of September 2020, the number of people hospitalized for COVID-19 in the US was estimated to be over 56,000 by the COVID Tracking Project. However, federal data put the figure at over 70,000.
As of January 6, 2022, about 11,500 people hospitalized in New York had tested positive for COVID-19. However, only a minority of these patients required treatment for the virus.
Since the start of the pandemic, hospitals in the US have been reporting data on COVID-19 patients to the Centers for Disease Control and Prevention (CDC). However, in 2020, the Trump administration instructed hospitals to report data to the Health and Human Services (HHS) instead, causing confusion and irregularities in the data.























