A study reveals why it’s so difficult to treat covid-19

According to research, there are some people who experience 'long-covid' or severe lung damage, long after recovery. Here's why
mild Covid-19
New facts about covid-19 revealed. Image courtesy: Shutterstock
ANI Published: 8 May 2021, 15:09 pm IST
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Researchers at the Trinity College Dublin showed that a comprehensive review into what we know about and the way it functions suggests the virus has a unique infectious profile, which explains why it can be so hard to treat and why some people experience so-called ‘long-Covid’, struggling with significant health issues months after infection.

Here’s why it’s becoming a task to cure covid-19

There is growing evidence that the virus infects both the upper and lower respiratory tracts – unlike ‘low pathogenic’ human coronavirus sub-species, which typically settle in the upper respiratory tract and cause cold-like symptoms, or ‘high pathogenic’ viruses such as those that cause SARS and ARDS, which typically settle in the lower respiratory tract.

covid-19 treatment
These side-effects of covid-19 vaccine are really very mild. So, there is no need to panic.

Additionally, more frequent multi-organ impacts, and blood clots, and an unusual immune-inflammatory response not commonly associated with other, similar viruses, mean that Covid-19 has evolved a uniquely challenging set of characteristics.

While animal and experimental models imply an overly aggressive immune-inflammation response is a key driver, it seems things work differently in humans: although inflammation is a factor it is a unique dysregulation of the immune response that causes our bodies to mismanage the way they fight the virus.

Long-term impact of covid-19 is severe

This may explain why some people experience ‘long-Covid’ and suffer severe lung damage after infection.

Ignacio Martin-Loeches, Clinical Professor in Trinity College Dublin’s School of Medicine, and Consultant in Intensive Care Medicine at St James’s Hospital is a co-author of the review just published in leading medical journal, The Lancet. He said:

“The emergence of severe acute respiratory syndrome coronavirus two (SARS-CoV-2), which causes Covid-19, has resulted in a health crisis not witnessed since the 1918 Spanish flu pandemic. Tragically, millions around the world have died already.

covid-19 treatment
The efficacy of covid-19 vaccines for pregnant women is yet to be determined . Image courtesy: Shutterstock

“Despite international focus on the virus, we are only just beginning to understand its intricacies. Based on growing evidence we propose that Covid-19 should be perceived as a new entity with a previously unknown infectious profile. It has its own characteristics and distinct pathophysiology and we need to be aware of this when treating people.

“That doesn’t mean we should abandon existing best-practice treatments that are based on our knowledge of other human coronaviruses, but an unbiased, gradual assembly of the key Covid-19 puzzle pieces for different patient cohorts – based on sex, age, ethnicity, pre-existing comorbidities – is what is need to modify the existing treatment guidelines, subsequently providing the most adequate care to Covid-19 patients.”

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