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However, loss of olfaction is not unique to COVID-19; approximately 13% of patients with influenza also lose olfaction, as do patients with MERS-CoV and Ebola virus. [11] Among the patients with COVID-19, 50% of patients recover olfaction within 14 days, and 89% of patients have complete resolution of their loss of olfaction within 4 weeks.
50–70% of hospitalised COVID-19 cases, 10–30% of non-hospitalised cases, and 10–12% of vaccinated cases [3] Long COVID or long-haul COVID is a group of health problems persisting or developing after an initial period of COVID-19 infection.
However, symptoms around lack of taste and smell, dizziness, hair loss, unusual sweating, heart racing, and memory problems tended to be more common—and more severe—in people with long COVID.
Longer-term effects of COVID-19 have become a prevalent aspect of the disease itself. These symptoms can be referred to as many different names including post-COVID-19 syndrome, long COVID, and long haulers syndrome. An overall definition of post-COVID conditions (PCC) can be described as a range of symptoms that can last for weeks or months. [83]
One study found that men with moderate-to-high levels of exhaustion had a 2.7-fold increased risk of heart attack within five years and a 2.25 higher risk within ten years. The study also found a ...
Unfortunately, severe cases of COVID-19 still happen, Dr. Russo says. With a severe case of COVID-19, a person may experience weakness, lethargy, and fever for a prolonged period of time.
In the fall of 2022, Dr. William Dugal, then 32, contracted Covid-19 and began experiencing unusual symptoms. 32-year-old man becomes fully paralyzed within days of catching Covid due to rare syndrome
Many developed countries do not have enough hospital beds per capita, which limits a health system's capacity to handle a sudden spike in the number of COVID-19 cases severe enough to require hospitalisation. [101] This limited capacity is a significant driver behind calls to flatten the curve. [101]