Why Does Covid-19 Cause Loss of Sense of Smell? This is the explanation of scientists

Suara.com – Loss of sense of smell and taste is one of the symptoms of the Covid-19 corona virus for the first variant to Delta.

Now, these symptoms are rarely experienced as Omicron variants begin to appear everywhere.

The loss of the sense of smell or anosmia is generally only temporary and the patient will recover a few weeks or months after infection with Covid-19.

Why did Covid-19 cause disappearance of anosmia?

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A team of researchers from Italy have found that the loss of taste and smell coincides with a spike in interleukin 6 in the blood.

Interleukin 6 is an inflammation signaling molecule. Measuring circulating levels of interleukin 6 in the blood is important for identifying disease progression in Covid-19 patients, reports Times of India.

The loss of the sense of smell is one of the common symptoms of the Covid-19 corona virus since the beginning of the pandemic.  Medically, the loss of the sense of smell due to the corona virus is called anosmia.
The loss of the sense of smell is one of the common symptoms of the Covid-19 corona virus since the beginning of the pandemic. Medically, the loss of the sense of smell due to the corona virus is called anosmia.

The study also found that two genes, ACE2 and TMPRSS2, which are essential for the coronavirus to enter human cells are also expressed by olfactory epithelial cells.

The olfactory epithelium is responsible for detecting odors. The presence of these two genes makes the olfactory epithelium susceptible to infection.

So, the researchers assessed that anosmia occurs due to the loss of function of the supporting cells in the olfactory epithelium after the corona virus attack.

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How to know the sense of smell has returned

Actually, there is no specific test to detect whether the sense of smell returns. Generally, patients can only try to practice on their own to smell odors from surrounding objects.

However, experts say that practicing sniffing aromatic products will help awaken your sense of smell.