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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, Jul 16: Karnataka chief minister BS Yediyurappa on Tuesday said he would request Prime Minister Narendra Modi for more relaxations, as he made it clear that Covid-19 lockdown measures were not required in the state anymore.

"The lockdown is not required for Karnataka, we will request for more relaxations," Yediyurappa said in response to a question about video conferencing with the Prime Minister.

Speaking to reporters here, he said, "I will request him (PM) to make way for- people to lead a normal life and for the improvement in the economic situation."

Several services such as metro, theatres, gyms, swimming pools, bars among others continue to remain restricted under unlock 1.0 that is currently in place.

Modi is scheduled to hold a video conference with chief ministers of various states on Tuesday and Wednesday. Yediyurappa is scheduled to take part in the video conferencing on Wednesday.

The chief minister, who took part in the special pooja organised at Shankar Math here to pray for the control of Covid-19, said, the government was making all efforts to control the spread.

"We are taking strong measures and all of us should fight this together," he said, as he highlighted that the government has released the financial assistance amount that was announced for farmers, and was ensuring that it reaches them.

Bengaluru, Apr 7: With reporting of 12 positive cases of COVID-19 since last evening, including three women, the total number of confirmed cases in Karnataka increased to 175, including four deaths.

According to official sources, while three fresh cases of COVID-19 were reported from Bengaluru, two each had been reported from Bagalkot, Kalaburagi and Mandya, followed by one each at Gadag and Bengaluru Rural districts.

After a gap of over three weeks, two more fresh cases had been reported from Kalaburagi, which had reported the first death of the country.