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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, May 17: Karnataka on Sunday extended lockdown for two days until midnight of Tuesday, May 19. Earlier today, Tamil Nadu and Maharashtra extended the lockdown till May 31. The state government said that the guidelines and norms as followed during Coronavirus Lockdown 3 will remain in place till 19th midnight or till further notice.

Meanwhile, the total number of coronavirus cases in Karnataka rose to 1,146 on Saturday. With 37 deaths and 497 discharges, there are 611 active corona cases in the state. 

Out of 54 new cases, twentytwo are from Mandya, ten from Kalaburagi, six from Hassan, four from Dharwad, three each from Yadgir and Kolar, two each from Dakshina Kannada and Shivamogga, and one each from Udupi and Vijayapura.

Mar 5: The Karnataka government on Thursday proposed to increase rate of tax on petrol and diesel by three per cent which would make the fuel dearer by Rs 1.60 and Rs 1.59 per litre, respectively.

Presenting the 2020-21 budget in the Legislative Assembly, Chief Minister B S Yediyurappa proposed to increase rate of tax on petrol from 32 per cent to 35 per cent and diesel from 21 per cent to 24 per cent, as part of additional resource mobilisation measures.

Yediyurappa, who also holds the finance portfolio, increased excise duty on Indian Made Liquor (KML) across 18 slabs by six per cent.

However, to promote affordable housing, the government proposed to reduce stamp duty on first time registration of new apartments/flats costing less than Rs 20 lakh from existing five per cent to two per cent.

This is the first budget of the BJP government after coming to power last year; it's the seventh presented by Yediyurappa.

"For the year 2020-21, a total amount of Rs 55,732 crore is provided for stimulating economic growth sector", the Chief Minister said.

He said the revenue collection target for the Commercial Taxes department for the year 2020-21 is fixed at Rs 82,443 crore.

Stating the government had fixed a revenue target of Rs 20,950 crore for the excise department for the year 2019- 20, he said at the end of February Rs 19,701 crore had been collected.

"We hope to achieve the budget target."

He also hoped with the increase in rates and effective enforcement and regulatory measures, the Excise department would be achieving the target of Rs 22,700 crore fixed for the financial year 2020-21.

On the transport sector, Yediyurappa said it is proposed to levy motor vehicle tax on contract carriages having seating capacity to carry more than 12 passengers, but not more than 20 passengers at the rate of Rs 900 per seat per quarter.

He said it is also proposed to levy vehicle tax on new model sleeper coaches which are granted permits under section 88 (9) of MV Act 1988 at the rate of Rs 4,000 per sleeper per quarter.

Noting that a target of Rs 7,100 crore revenue collection is expected to be achieved in 2019-20 in transport sector, he said for 2020-21 revenue collection target has been fixed at Rs 7,115 crore.

He said the revenue collection target for 2019-20 under stamps and registration was fixed at Rs 11,828 crore and against this Rs 10,248 crore has been collected till the end of February 2020 which is 87 per cent of full year target.

While the revenue collection target for 2020-21 under stamps and registration is fixed at Rs 12,655 crore.