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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 17: Left to itself, Karnataka will look to spring back towards normalcy under Lockdown 4.0 as the state government is on standby to resume public transport services from May 18, if the Centre allows it. 

Though KSRTC and BMTC have been preparing for resumption of services, officials in the two corporations told DH that they cannot make a move till the government makes a decision.

Transport Commissioner N Shivakumar said the department will take a decision based on the state government's orders. "The government will take a call on buses as well as taxi and other transport services," he said.

Senior officials in the state government said Deputy Chief Minister and Transport Minister Laxman Savadi has written to Union Minister for Road Transport and Highways Nitin Gadkari seeking a nod for resumption of the services. 

Transport Secretary Gaurav Gupta has written a separate letter to his counterpart in the Union government requesting permission to operate public transport. "The state government wants the services to open. The official has listed out the steps the corporations will take to ensure social distancing other steps that will be taken to check spread of Coronavirus," a source said.

The B S Yediyurappa administration has been bullish on easing lockdown restrictions. 

If the Centre empowers the states to define Lockdown 4.0, Karnataka is likely to do away with the red-orange-green zoning of districts and allow public services to resume, except in COVID-19 containment zones. The government is also likely to redefine its containment strategy by micromanaging localities where COVID-19 cases are reported, without letting life in an entire district get affected. 

The government has already shown willingness to allow hotels and gyms to open after May 17 subject to social distancing norms and restrictions. In fact, the government has proposed to allow the resumption of all economic activities in standalone establishments. The government, however, is not keen on opening malls, theatres, diners and establishments that have centralized air conditioning. 

“Everything depends on the Centre,” Deputy Chief Minister CN Ashwath Narayan said. “Our only stand is that the red zone should be treated at par with the other zone when it comes to relaxation.”