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Flu vaccination is not just for children. Older adults are also strongly encouraged to get vaccinated to reduce the risk of infection and avoid serious complications. Getting the flu shot helps prevent flare-ups of chronic respiratory conditions, lowers the risk of heart attacks and strokes, and supports diabetes management. Remarkably, research even suggests that flu vaccination may reduce the risk of developing Alzheimer’s disease. The following article from H PLUS International Medical Center explores the benefits of flu vaccination for seniors.
1. Key benefits of flu vaccination for older adults
1.1. Vaccines reduce the risk of flu-related complications
Vaccination not only helps prevent infection but also significantly lowers the likelihood of severe complications. Studies have shown that vaccinated seniors have a 26% lower rate of ICU admission and a 31% lower risk of flu-related death compared to those unvaccinated. According to the CDC, flu vaccination can reduce hospitalization risk by 40–60%.
1.2. Helps prevent exacerbation of chronic respiratory diseases
Seasonal influenza is a leading trigger for acute exacerbations in patients with chronic respiratory conditions such as COPD, asthma, and chronic bronchitis. Among patients with COPD, 25–28% of virus-induced flare-ups are linked to the flu, and about one-fourth of hospitalizations are associated with influenza. When flu leads to respiratory failure, mortality rates can reach up to 50%.
In asthma patients, seasonal flu can trigger severe asthma attacks, making the disease harder to control and worsening symptoms.
Flu vaccines offer up to 98% protection, reducing the risk of infection, flare-ups, complications, and mortality. It is a key recommendation in managing chronic respiratory diseases such as COPD, emphysema, and chronic bronchitis.
1.3. Lowers the risk of heart attacks and strokes in seniors
12% Reduction in Stroke Risk:
A study published in Neurology from Spain found that annual flu vaccination reduces stroke risk by 12%, even in people with existing risk factors.
34% Reduction in Heart Attack Risk:
A University of Toronto meta-analysis revealed that flu vaccination may reduce the risk of heart attacks and strokes by 34%.
The connection lies in flu-related systemic inflammation, which places extra stress on the heart and blood vessels, potentially triggering acute cardiac events. Influenza can also worsen existing heart disease and mask heart attack symptoms, delaying diagnosis.
1.4. Decreases hospitalization risk in diabetic patients
In people with diabetes, high blood sugar weakens the immune system, increasing susceptibility to flu and its complications. According to the CDC, around 30% of flu-related hospitalizations involve diabetic patients.
Flu vaccination helps reduce hospitalization risk by up to 79% among people with diabetes and protects against complications such as pneumonia, heart failure, and stroke. Vaccinated individuals also have a 24% lower all-cause mortality rate compared to those unvaccinated.
1.5. May reduce the risk of Alzheimer’s disease in older adults
A large-scale U.S. study involving nearly 2 million individuals aged 65 and above found that flu vaccination may lower the risk of developing Alzheimer’s by up to 40% within four years post-vaccination. Only 5% of vaccinated individuals developed Alzheimer’s compared to 8.5% in the unvaccinated group.
It takes approximately two weeks for the body to develop immunity after vaccination. Therefore, don’t wait for winter to arrive—get vaccinated early, especially during seasonal transitions, for optimal protection.
2. H PLUS – A Trusted Flu Vaccination Provider
H PLUS International Medical Center is proud to operate a GSP-compliant cold storage system, maintaining optimal vaccine temperatures between 2–8°C. We offer a wide range of high-quality vaccines including the latest flu vaccines, MMR, varicella, Pentaxim (5-in-1), Infanrix Hexa (6-in-1), Hexaxim, and more.
Notably, we also provide advanced vaccines from leading global manufacturers such as Boostrix (Belgium) for diphtheria–pertussis–tetanus, Menactra (USA) for meningococcal ACYW, Prevenar 13 (UK) for pneumococcal infections, and Imojev (Thailand) for Japanese encephalitis.
All vaccines at H PLUS are sourced directly from reputable brands like Sanofi Pasteur (France), GSK (Belgium), Pfizer (USA), and Merck Sharp & Dohme (USA), as well as leading Vietnamese vaccine institutes such as IVAC, Polyvac, Vabiotech, and the Pasteur Institute in Da Lat. Our wide vaccine portfolio offers comprehensive protection for community health.
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Phòng khám Đa khoa Quốc tế H PLUS – H PLUS International Medical Center (H PLUS Hanoi)
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