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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.

Mysuru, May 1: Four people who brought a dead man’s body from Mumbai for cremation in his native place in Mandya district in Karnataka have tested positive for Covid-19 virus, and now the administration is trying to find out if the man himself had been an undetected positive.

According to Mandya district deputy commissioner M V Venkatesh, the deceased man was a 53-year-old native of B Kodagalli of Pandavapura taluk, Melkote hobli in Mandya district. He died after suffering a heart attack at the U N Desai government hospital in Mumbai on April 23.

The cremation took place outside the man's native village after the local administration refused to allow it inside the village.

Wanting the final rites performed in his native place, the man’s family got the body embalmed and procured all the medical records and certificates from the hospital and brought it in an ambulance belonging to the Desai government hospital.

When they reached Pandavapura taluk in Karnataka on the evening of April 24, the local administration did not allow the body to enter the village but allowed the relatives to cremate it outside the village.

And since the family had come from Mumbai, the district administration quarantined all seven of the man’s relatives, and their samples were sent for testing on 28 April.

The results showed that the deceased man’s 25-year-old son, daughter-in-law, daughter, and two-year-old grandchild are positive for Covid 19. All of them have been admitted at the Mandya Institute of Medical Sciences although they have no symptoms.

Deputy commissioner Venkatesh said that in the Desai hospital records in Mumbai there was no mention whether or not the man had been tested for Covid-19. “We are writing to Desai hospital to clarify if the deceased person was tested for Covid 19. It is also possible that the family got infected by the man’s son who works in the loan department of ICICI Bank in Mumbai and visits several offices in different areas of Mumbai,” he said.

The man’s ancestral B Kodagalli village now has been sealed off. Though tests done on other members of the family have come back negative, the Mandya administartions plans to repeat their tests.

So far 26 people have tested positive for Covid 19 in Mandya district.

Mangaluru, Jun 15: The case of two elderly Dubai returnees who are being treated for Covid-19 at the Wenlock Covid-19 Hospital has left doctors perplexed.

The two aged 76 and 81 men had arrived from Dubai on May 18 and 12 respectively and are at the hospital since one month. 

To everyone's surprise, six of their tests have come out positive though they have not shown any symptoms of SARS-CoV-2.