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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.

Mangaluru, Apr 4: With the district administration formally confirming three new cases of covid-19, the total number of coronavirus positive cases in Dakshina Kannada today mounted to 12. 

A 43-year-old man from Thumbey in Bantwal taluk of Dakshina Kannada had been to Delhi on March 11 due to personal work and returned on March 22. His throat swabs were sent for testing on April 2 though he was healthy. Today the report of the test claimed that he was infected with covid-19. However, he is still said to be healthy.

In another case, a man from Udupi, who had returned from Dubai on March 21, was under medical observation after he landed at Mangaluru International Airport. The district administration today claimed that he too is suffering from the covid-19. 

A resident of Thokkottu, on February 6, had travelled to Mumbai and then visited Delhi. On March 6 he had returned to Mangaluru. On April 2, his throat swabs were sent for testing and the report today showed positive.

All three have been admitted to Wenlock Hospital for treatment.

Bengaluru, May 27: A 69-year-old woman from Yadgiri became the 45th COVID-19 related fatality in Karnataka, where 122 fresh cases have been reported, taking the total number of infections in the state to 2,405, the health department said on Wednesday.

With 45 deaths and 762 discharges, there are 1,596 active coronavirus cases in the state, the department said in its mid-day bulletin. It said, the deceased woman, a returnee from Maharashtra was brought dead to designated hospital in Yadgiri on May 20 and tested positive for COVID-19.

Fourteen patients have been discharged in the state so far on Wednesday. Of the 122 new cases, 108 are returnees from neighboring Maharashtra, three from Tamil Nadu, and one each from Uttar Pradesh, Gujarat, Madhya Pradesh, Kerala and Delhi. While two are returnees from foreign countries- one each from UAE and Nepal.

Remaining four cases are contact of patients earlier tested positive.

Among the districts where new cases were reported, Kalaburagi accounted for 28, Yadgiri 16, Hassan 15, Bidar 13, Dakshina Kannada 11, Udupi 9, Bengaluru Urban 6, five each from Uttara Kannada and Raichur, Belagavi 4, Chikkamagaluru 3, two each from Bengaluru Rural and Vijayapura, and one each from Ballari, Mandya and Tumakuru.