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New Delhi, Jun 13: Loss of smell or taste has been added to the list of COVID-19 symptoms, according to the revised clinical management protocols released by the Union Health Ministry on Saturday.

The ministry said that coronavirus-infected patients reporting to various COVID-19 treatment facilities have been reporting symptoms like fever, cough, fatigue, shortness of breath, expectoration, myalgia, rhinorrhea, sore throat and diarrhea.

They have also complained of loss of smell (anosmia) or loss of taste (ageusia) preceding the onset of respiratory symptoms.

Older people and immune-suppressed patients in particular may present with atypical symptoms such as fatigue, reduced alertness, reduced mobility, diarrhoea, loss of appetite, delirium, and absence of fever, the ministry said.

Children might not have reported fever or cough as frequently as adults.

The US's national public health institute, the Centers for Disease Control and Prevention (CDC), had in early May incorporated "a new loss of taste or smell" in the list of COVID-19 symptoms.

According to the data from Integrated Health Information Platform and Integrated Disease Surveillance Programme, portal case investigation forms for COVID 19 (n=15,366), the details on the signs and symptoms reported are (as on June 11), fever (27 per cent), cough (21 pc), sore throat (10 pc), breathlessness (8 pc), Weakness (7 pc), running nose (3pc ) and others 24 pc.

According to the health ministry, people infected by the novel coronavirus are the main source of infection.

Direct person-to-person transmission occurs through close contact, mainly through respiratory droplets that are released when the infected person coughs, sneezes, or talks.

These droplets may also land on surfaces, where the virus remains viable. Infection can also occur if a person touches an infected surface and then touches his or her eyes, nose, or mouth.

The median incubation period is 5.1 days (range 2–14 days). The precise interval during which an individual with COVID-19 is infectious is uncertain.

As per the current evidence, the period of infectivity starts 2 days prior to onset of symptoms and lasts up to 8 days.

The extent and role played by pre-clinical/ asymptomatic infections in transmission still remain under investigation.

Bengaluru, May 25: After facing flak from the opposition for skipping quarantine rules to contain COVID-19 spread, Union Minister Sadananda Gowda on Monday said there are certain exemption clauses for those who hold certain responsible posts, adding that he cannot go under quarantine as he has to ensure medical supply in every part of the country.

"Guidelines are applicable to all citizens, but there are certain exemption clauses, for those who hold certain responsible posts," Gowda told media on being asked about allegations by opposition parties that he did not go to required institutional quarantine after domestic air travel from Delhi to Bengaluru.

"I am a Minister and I am heading Pharmaceutical Ministry. If the supply of medicines and other things is not proper then what doctors can do for patients, is it not a failure of government? It' is my responsibility to ensure the supply of medicines to each corner of the country," he said.

Earlier in the day, the BJP MP, who arrived at Bengaluru airport from Delhi and straight away got into his car and drove to his residence. He skipped the institutional quarantine measures as set by the Central government.

Karnataka Director General of Police Praveen Sood said: "Incoming domestic flight passengers from Maharashtra, Rajasthan, Delhi, Gujarat, Tamil Nadu, Delhi and Madhya Pradesh will undergo 7-day institutional Quarantine followed by home quarantine."