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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 28: The Karnataka government has done away with previously mandatory COVID-19 testing for asymptomatic international travellers. 

The development comes a day after the government issued a circular, which allowed placing of international travellers into home quarantine if they had completed seven days of institutional quarantine.

A circular signed by Jawaid Akhtar, Additional Chief Secretary to the State Government, dated May 27, says that any “person who has completed seven days of institutional quarantine and is asymptomatic can be permitted for home quarantine with a COVID-19 test (RT-PCR), subject to undergoing a medical check-up.”

This check-up equates to thermal screening (with a required temperature of under 37.5C or 99.5F and pulse oximetry of under 94%). 

The circular added that all elderly people, over the age of 60, and those with comorbidities (such as Diabetes mellitus, hypertension, asthma, heart ailment, renal disease...etc) are “required to be clinically evaluated diligently prior to shifting them for quarantine.”

On Wednesday, Pankaj Pandey, Commissioner, the Department of Health and Family Welfare said that these new guidelines were based on recommendations from the COVID Task Force. A member of the COVID Task Force said that new strategies had been formulated based on the latest findings on how the SARS-Cov-2 virus affects people.

Mangaluru, May 15: Dakshina Kannada saw a record spike in the number of fresh COVID-19 cases today, which triggered panic among the people of the district, which is currently under orange zone.   

According to the mid-day bulletin of the Department of Health and Family Welfare, as many as 16 people from Dakshina Kannada tested positive for the covid-19. 

Among them 15 are the Gulf returnees who were brought by an Air India Express special flight from Dubai to Mangaluru International Airport on May 12. 

As many as 179 repatriates had landed at Mangaluru Airport. Among them 125 are quarantined in Dakshina Kannada, 49 in Udupi and five in Uttara Kannada districts.  

Meanwhile, a 68-year-old woman from Surathkal area in Mangaluru, who is suffering from Severe Acute Respiratory Infection (SARI) was also tested covid-19 positive.

This is the highest number of cases reported in a single day since first case registered in the district on March 22 when Dubai-bound youth from Bhatkal was tested positive. 

With this the total number of covid-19 cases in the district mounted to 50 including five deaths. Many of them have returned home after recovery.

3 members of a family test positive

According to Deputy Commissioner Sindhu B Rupesh, three members of a same family are among 15 gulf returnees who are tested positive.  They are a 45-year-old man, his 33-year-old wife and their 6-year-old child. 

Six among those who tested positive today are above 60 years of age, said the deputy commissioner.