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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, Jun 19: COVID-19 cases in Karnataka has breached the 8,000 mark, as the state on Friday reported 337 new cases and ten related fatalities, taking the total number of infections to 8,281 and death toll to 124.

Also, total discharges in the state breached 5,000 mark, with 230 patients getting discharged in a day after recovery.

As of June 19 evening, cumulatively 8,281 COVID-19 positive cases have been confirmed in the state, which includes 124 deaths and 5,210 discharges, the health department said in its bulletin.

It said out of 2,943 active cases, 2,865 patients are in isolation at designated hospitals and are stable, while 78 are in ICU.

The ten dead include- seven from Bengaluru urban, two from Bidar and one from Vijayapura.

Out of the 337 new cases, 93 are returnees from other states, majority of them from neighboring Maharashtra,while 11 are those who returned from other countries.

The remaining cases include contacts of patients earlier tested positive, those with history of SARI and ILI, among others.

Among the districts where the new cases were reported, Bengaluru accounted for 138 cases, followed by Kalaburagi 52, Ballari 37, Hassan 18, Dakshina Kannada 13, Davangere 12, Udupi 11; Bidar 10, six each from Mysuru and Koppal, four each from Yadgir, Kolar and Bengaluru rural, three each from Mandya, Dharwad, Chikkaballapura, Bagalkote and Ramanagara, two each from Tumakuru and Chikkamagaluru, and one each from Belagavi, Uttara Kannada and Shivamogga.

Kalaburagi district tops the list of positive cases, with 1,126 infections, followed by Udupi 1,050 and Bengaluru urban 982.

Among discharges Udupi tops the list with 944 discharges, followed by Kalaburagi 646 and Yadgir 477.

A total of 4,84,060 samples were tested so far, out of which 10,553 were tested on Thursday alone.

According to the bulletin,4,64,338 samples have been reported as negative, and out of them 9,862 were reported negative today.

Bengaluru, Jul 9: Karnataka Chief Minister B S Yediyurappa on Thursday said the Covid-19 situation was “getting out of control a little” in some parts of the state, but assured citizens that authorities were taking necessary steps. 

“In some districts, it’s getting out of control a little. But the district administration and police are working day and night,” Yediyurappa said before the Cabinet meeting where the Covid-19 situation will be discussed. 

Speculation is rife that the government might consider stricter measures to curb the movement of people to try arresting the rising number of Covid-19 cases. 

Later in the day, Yediyurappa is slated to inspect the Bengaluru International Exhibition Centre, which has been converted into a Covid Care Centre with 10,000 beds. The chief minister said he had ordered “immediate” arrangement of more ambulances for Bengaluru, where cases are rapidly shooting up. 

“A team from the Centre had come. They’ve made some observations and they also appreciated us for some of the things we’ve done,” he added. 

On Friday, Yediyurappa has convened a meeting of all Bengaluru ministers, legislators, MPs and councillors to discuss the Covid-19 pandemic in the city.