COVID-19 virus may attack the central nervous system of patients

An international study led by a University of Cincinnati College of Medicine researcher suggests that the anxious behaviour or depressed mood in COVID-19 patients may be a sign that the virus affects the central nervous system. These two psychological symptoms were most closely associated with a loss of smell and taste rather than the more severe indicators of the novel coronavirus such as shortness of breath, cough or fever, according to the study.

Daily Current Affairs Quiz 2020

Key-Points

Sedaghat conducted a prospective, cross-sectional telephone questionnaire study which examined characteristics and symptoms of 114 patients who were diagnosed with COVID-19 over a six-week period at Kantonsspital Aarau in Aarau, Switzerland.

In terms of severity, 44.7 percent of participants reported expressing mild anxiety while 10.5 percent reported severe anxiety

Severity of the loss of smell or taste, nasal obstruction, excessive mucus production, fever, cough and shortness of breath during COVID-19 were assessed. The findings of the study are available online in The Laryngoscope.

Studies using mouse models of that virus have shown that the olfactory tract, or the pathway for communication of odors from the nose to the brain, was a gateway into the central nervous system and infection of the brain.

These symptoms of psychological distress, such as depressed mood and anxiety are central nervous system symptoms if they are associated only with how diminished is your sense of smell.

This may indicate that the virus is infecting olfactory neurons, decreasing the sense of smell, and then using the olfactory tract to enter the central nervous symptom.

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