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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 3: The Karnataka government is allowing select asymptomatic and mildly symptomatic Covid-19 patients to recuperate at home as part of home isolation guidelines, an official said on Friday.

"Only those who are asymptomatic or mildly symptomatic shall be allowed to be in isolation at home," said a health official, highlighting that such patients should be properly oriented on home isolation.

However, before home isolation, a health team will visit the patient's house and assess its suitability for executing home isolation.

Similarly, the patient should be provided with a tele-consultation link for initial triage, daily follow up and during the entire home isolation time.

For a daily update, the patient isolated at home should give a report on his health status to the physician or health authorities.

"The home isolation shall be with the knowledge of the family members, neighbours, treating physician and local health authorities," said the official.

Though home isolation is allowed, it is not a blanket permission for all asymptomatic and mildly symptomatic cases in Karnataka to avail.

"Such cases should have the requisite facility at their residence for self-isolation and also for quarantining the family contacts. A care giver should be available to provide care on 24x7 basis," said the official.

Likewise, the caregiver should also have a regular communication link between him and the hospital during the home isolation.

No patient above 50 years will be allowed to avail home isolation.

"If the patient has the following comorbidities: hypertension, diabetes, obesity, thyroid disease, they shall be well managed and under good clinical control as assessed by medical officer," he said.

However, patients with comorbidities such as kidney diseases, dialysis, heart diseases, stroke, tuberculosis, cancer and HIV cannot avail home isolation.

Likewise, immunity compromised patients and those on steroids also cannot be on home isolation.

Though pregnant women are not allowed to avail this facility, lactating women are allowed after due instruction and assessment.

The Health Department has also issued several other guidelines and protocols for a patient choosing home isolation.

Mangaluru, Mar 27: In the wake of mounting number of coronavirus positive cases in Dakshina Kannada and surrounding areas, the government has decided to fully shut down the coastal district on Saturday, March 28.

Announcing this today, district in charge minister Kota Srinivas Poojary urged the people not to step out their homes at any cost for any reason as nothing would be available outside except the deadly coronavirus.

All grocery stores, food outlets and markets also are likely to remain closed. For last few days grocery shops remained open till noon. 

Dakshina Kannada today reported two fresh cases of Covid-19. So far the district witnessed seven positive cases and none of them are fully cured. Shockingly neighboring district of Kasargod today reported 34 new coronavirus positive cases on a single day.