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San Diego, Apr 15: Several people lost their sense of smell or taste weeks ago globally and are still waiting for it to come back and now, researchers have identified an association between sensory loss and novel coronavirus 2019 (COVID-19) infection, indicating that loss of smell and taste may be considered as early symptoms of the deadly disease.

Interestingly, the study also found that persons who reported experiencing a sore throat more often tested negative for COVID-19.

The team from University of California-San Diego found high prevalence and unique presentation of certain sensory impairments in patients positive with COVID-19.

Of those who reported a loss of smell and taste, the loss was typically profound, not mild.

"Based on our study, if you have smell and taste loss, you are more than 10 times more likely to have COVID-19 infection than other causes of infection. The most common first sign of a COVID-19 infection remains fever, but fatigue and loss of smell and taste follow as other very common initial symptoms," explained study researcher Carol Yan from UC San Diego.

"We know COVID-19 is an extremely contagious virus. This study supports the need to be aware of smell and taste loss as early signs of COVID-19," Yan added.

For the findings, published in the journal International Forum of Allergy and Rhinology, the research team surveyed 1,480 patients with flu-like symptoms and concerns regarding potential COVID-19 infection who underwent testing at UC San Diego Health from March 3 through March 29, 2020.

Within that total, 102 patients tested positive for the virus and 1,378 tested negatives. The study included responses from 59 COVID-19-positive patients and 203 COVID-19-negative patients.

Encouragingly, the rate of recovery of smell and taste was high and occurred usually within two to four weeks of infection.

"Our study not only showed that the high incidence of smell and taste is specific to COVID-19 infection but we fortunately also found that for the majority of people sensory recovery was generally rapid," said Yan.

"Among the COVID-19 patients with smell loss, more than 70 per cent had reported improvement of smell at the time of the survey and of those who hadn't reported improvement, many had only been diagnosed recently," she added.

Sensory return typically matched the timing of disease recovery.

In an effort to decrease the risk of virus transmission, UC San Diego Health now includes loss of smell and taste as a screening requirement for visitors and staff, as well as a marker for testing patients who may be positive for the virus.

"It is our hope that with these findings other institutions will follow suit and not only list smell and taste loss as a symptom of COVID-19, but use it as a screening measure for the virus across the world," Yan said.

Udupi, Feb 11: The three patients, including a child, who were suspected to be suffering from coronavirus were discharged from hospital on Monday after the throat swab sample test proved negative for the infection.

The throat swabs of three persons, who were admitted to a district government hospital in Udupi with symptoms of fever on Friday, were sent to Bangalore Medical College and Research Institute for testing of coronavirus.

The trio had returned from China, 15 days ago.

The 30-year-old man from Kaup taluk had been to China on personal work and had returned to Udupi, 15 days ago. He had symptoms of fever, throat pain and cold and he was suggested to get admitted to hospital.

He was treated in the isolation ward.

A family from Mandarthi had gone on a tour to China and had returned 15 days ago. The father and son, who had complained of fever, were kept under observation at the isolation ward in the district government hospital.

Bengaluru, Jun 23: Karnataka Congress leader and Kanakapura MLA DK Shivakumar said on Monday that in the wake of coronavirus pandemic, people of his assembly constituency have taken a unanimous decision of remaining under voluntary lockdown until July 1.

The decision was taken after he headed a meeting at Kanakapura on Sunday, at the office of Kanakapura Municipality.

"Let us consider the situation after July 1, hold a similar meeting, and take the next decision. It has nothing to do with the state government's mandate. It came to the conclusion that this was a decision that we all voluntarily took," said DK Shivakumar.

DK Shivakumar informed that the merchants have agreed to sell groceries, fruits, vegetables, fennel, meat and other food items from 7 a.m. to 11 p.m. only. District authorities, DCs, SPs and hospital representatives have decided the timings of clinics and drug stores.

He further said, "In this self-motivated lockdown, unnecessary driving should be avoided. The social gap must be maintained. No one should be oppressed by anyone."

Member of Parliament DK Suresh, Ravi - Ramanagara District Collector Archana, SP Anoop Shetty, and Kanakapura Planning Authority Chairman Jagannath were also present in the meeting.