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Thiruvananthapuram, Apr 10: Eight foreign nationals from Italy and United Kingdom, who were undergoing treatment in Kerala, have recovered fully from COVID-19, Chief Minister Pinarayi Vijayan said on Thursday.

The state reported 12 more positive cases of coronavirus on Thursday taking the total number of confirmed cases to 357, Vijayan said as he cautioned that the strict vigil against the pandemic will continue.

While the northern districts of Kannur and Kasaragod reported four cases each, two cases were reported from Malappuram district and one each from Kollam and Thiruvananthapuram districts, Vijayan told reporters after a COVID-19 review meeting here.

Of the eight foreign nationals, seven were undergoing treatment at the Ernakulam Medical College Hospital and one in Thiruvananthapuram Medical College Hospital, Vijayan said, adding that some of the patients were in a serious condition.

The seven foreigners from UK, admitted in Ernakulam medical college, were part of the group which had on March 15 tried to leave the country without permission while being under observation at Munnar, a hill station in the state.

The Italian tourist in Thiruvananthapuram was staying at a resort at Varkala near here and was admitted to hospital on March 13, Vijayan said.

"The recovery of this UK tourist group, which comprised of 83 and 76-year-olds is a testimony to our robust healthcare system and good treatment extended to these patients," the chief minister said.

It has been 100 days since the first COVID-19 case was reported in the state and since then, a total of 357 cases have been confirmed and currently, 258 patients are under treatment in different hospitals.

Mangaluru, May 23: Two more persons tested positive for covid-19 in Dakshina Kannada today taking the district's tally to 65.

One among them is a 30-year-old man who had returned from Maharashtra and was under quarantine. He underwent test at a private lab and was tested positive.

The other one is a 41-year-old woman who is a resident of Shirlalu in Beltangady and had symptoms of influenza-like illness. 

She was urged by residents in the surroundings of her house to go for a test. She was shifted to Wenlock COVID hospital in the morning on Saturday.

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.