Diabetes & COVID-19 Risk: What Kenya's Hospital Data Tells Us

What Was Studied and Why It Matters

Researchers tracked over 52,000 patients admitted to 16 public hospitals across Kenya between May 2020 and December 2022. Their goal was to understand who was getting severely ill from respiratory infections during the COVID-19 pandemic — and whether COVID-19 vaccines were actually saving lives in a real-world African hospital setting.

For people living with diabetes, the findings are particularly important: diabetes was identified as one of the three most common underlying conditions among patients hospitalized with severe breathing illness, alongside high blood pressure and HIV infection.

What the Researchers Found

Of the 52,636 patients in the study, about one in three (34%) were admitted with a severe acute respiratory illness (SARI) — meaning serious breathing problems requiring hospital care. Key findings included:

• Diabetes, hypertension, and HIV were the most frequent chronic conditions seen in hospitalized patients
• Patients admitted with severe respiratory illness were significantly more likely to die in hospital compared to those admitted for other reasons — regardless of whether they tested positive for COVID-19
• Among those who tested positive for COVID-19, the risk of dying in hospital was even higher
• COVID-19 vaccination reduced the risk of dying in hospital by 59% among patients admitted with severe respiratory illness

What This Means in Plain English

If you have diabetes, your immune system and cardiovascular system are already under extra strain. This study confirms what doctors have suspected: people with diabetes who get seriously ill with a respiratory infection — COVID-19 or otherwise — face a meaningfully higher chance of a poor outcome compared to people without underlying conditions.

The good news is clear: vaccination works. A 59% reduction in the risk of dying is a substantial protective effect, even in a lower-resource hospital setting. This strongly supports staying up to date with COVID-19 vaccinations if you have diabetes.

What This Means for Your Diabetes Management

Staying well when you have diabetes means more than managing blood sugar day to day. It also means protecting yourself from illnesses that can spiral quickly. Practical steps include:

• Keep your COVID-19 vaccinations current — the evidence shows they save lives
• Monitor your blood sugar closely during any illness, as infections can cause dangerous spikes
• Have a sick-day plan agreed with your care team before you need it
• Ensure you have enough supplies on hand — including test strips, lancets, and insulin if applicable — so illness doesn't catch you unprepared. MDS Diabetes offers reliable home delivery of essential diabetes supplies to help you stay stocked without the stress

Bottom Line

This large, real-world study from Kenya confirms that diabetes is a significant risk factor for severe outcomes during respiratory illness including COVID-19. However, COVID-19 vaccination offered meaningful protection — cutting the chance of dying in hospital by more than half. If you have diabetes, staying vaccinated and keeping your condition well managed are two of the most powerful things you can do to protect yourself.