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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, Mar 8: The economic slowdown in the country had a cascading effect on Karnataka, as its growth rate for outgoing fiscal 2019-20 is projected to be 6.8 per cent against 7.8 per cent in the last fiscal (2018-19), a senior official said on Saturday.

"The Gross State Domestic Product (GSDP) is estimated to be 1 per cent less at 6.8 per cent for this fiscal from 7.8 per cent in the last fiscal due to slowdown in manufacturing (industry) and services sectors," an official of the state finance department told media.

Though the agriculture sector has revived from 1.6 per dent in the drought-hit last fiscal (2018-19) to register 3.9 per cent this fiscal, growth rates of industries and services will be 4.8 per cent and 7.9 per cent for 2019-20 against 5.6 per cent and 9.8 per cent respectively in 2018-19.

"The GSDP is projected to grow at 6.3 per cent in the ensuing fiscal of 2020-21 due to continued slowdown in the national economy," the official hinted.

According to the state's economic survey for 2019-20, the farm sector grew more than double to 3.9 per cent from 1.6 per cent a year ago due to increase in the production of foodgrains, dairy products and fish catch.

Foodgrain production across the state rose to 136 lakh tonnes from 128 lakh tonnes a year ago, the survey revealed.

"In line with the national Gross Domestic Product (GDP) growth rate decline, Karnataka's GSDP has declined from a high of 13.3 per cent in 2016-17 to a low of 6.8 per cent in 2019-20.

"The GSDP has declined from a double-digit growth of 10.8 per cent in 2017-18 to 7.8 per cent in 2018-19 and 6.8 per cent in 2019-20," the survey pointed out.

The survey has adopted the all-India growth rate for the services sector growth in the state, which reflects the impact of slowdown in the key sector.

At current prices, the southern state's GSDP is expected to be Rs 16,99,115 crore (budget estimates) with a 10 per cent growth rate in the next fiscal (2020-21).

"Real estate, professional services and ownership of dwellings contributed 35.31 per cent to the GSDP in 2019-20, followed by manufacturing with 15.32 per cent, trade and repair services 9.51 per cent and crops 7.44 per cent," said the survey findings.

Per capital income in the state at current prices is estimated to be Rs 2,31,246 in 2019-20, an increase of 8.8 per cent from Rs 2,12,477 in 2018-19.

"The per capita income in the state is 58.4 per cent more than that of all-India rate at Rs 1,35,050 in this fiscal," the survey added.

Bengaluru, May 9: With 41 new cases of COVID-19 reported on Saturday, the total number of positive cases in Karnataka has reached 794, said the state Health Department.

Out of the total number, 386 are discharged and 30 patients have passed away. The total number of active cases now in Karnataka is 377.

The total number of positive coronavirus cases across the country is 59,662, including 39,834 active cases.

Till now, 17,846 patients have been cured and discharged and 1,981 deaths have been recorded in the country, as per the data provided by the Union Ministry of Health and Family Welfare.