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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.

Bengaluru, Jan 8: CISF personnel at Bengaluru airport on Wednesday detained two persons after they found two live bullets in their baggage during the routine inspection.

The detained person, said to be of a Mangaluru origin who arrived at the airport on Wednesday morning has claimed to be serving the American military. His mother who had arrived with him too has been taken into custody.

According to officials during the questioning, the man said that he was on a leave and that as he had hurriedly packed his belongings at the last minute there was a possibility that the bullets might have fallen into his bag mistakenly.

New Delhi, Feb 13: Ashoka Buildcon on Thursday said it has emerged as the lower bidder for a highway project worth Rs 1,035.5 crore in Karnataka.

The project entails four laning of a section of NH-206 in the state.

Ashoka Buildcon had submitted its bid to National Highways Authority of India for the project to be built on hybrid annuity mode under Bharatmala Pariyojana, it said in a BSE filing.

"The company emerged as the lowest bidder at the financial bid opening meeting held on February 13," Ashoka Buildcon said.

The quoted bid project cost for the project is Rs 1,035.50 crore, it added.

The company's stock was trading at Rs 103.05, down 2.78 per cent, on the BSE.