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Feb 22: A 20-year-old Chinese woman from Wuhan, the epicentre of the coronavirus outbreak, travelled 400 miles(675 km) north to Anyang where she infected five relatives, without ever showing signs of infection, Chinese scientists reported on Friday, offering new evidence that the virus can be spread asymptomatically.

The case study, published in the Journal of the American Medical Association, offered clues about how the coronavirus is spreading, and suggested why it may be difficult to stop.

"Scientists have been asking if you can have this infection and not be ill? The answer is apparently, yes," said Dr. William Schaffner, an infectious disease expert at Vanderbilt University Medical Center, who was not involved in the study.

China has reported a total of 75,567 cases of the virus known as COVID-19 to the World Health Organization (WHO) including 2,239 deaths, and the virus has already spread to 26 countries and territories outside of mainland China.

Researchers have reported sporadic accounts of individuals without any symptoms spreading the virus. What's different in this study is that it offers a natural lab experiment of sorts, Schaffner said.

"You had this patient from Wuhan where the virus is, travelling to where the virus wasn't. She remained asymptomatic and infected a bunch of family members and you had a group of physicians who immediately seized on the moment and tested everyone."

According to the report by Dr Meiyun Wang of the People's Hospital of Zhengzhou University and colleagues, the woman travelled from Wuhan to Anyang on Jan. 10 and visited several relatives. When they started getting sick, doctors isolated the woman and tested her for coronavirus. Initially, the young woman tested negative for the virus, but a follow-up test was positive.

All five of her relatives developed COVID-19 pneumonia, but as of Feb. 11, the young woman still had not developed any symptoms, her chest CT remained normal and she had no fever, stomach or respiratory symptoms, such as cough or sore throat.

Scientists in the study said if the findings are replicated, "the prevention of COVID-19 infection could prove challenging."

Key questions now, Schaffner said, are how often does this kind of transmission occur and when during the asymptomatic period does a person test positive for the virus.

Coronavirus lockdown in India has been extended till June 30 with more relaxations.

While the lockdown has been extended in containment zones, relaxations outside containment zones include reopening of religious places for public  from June 8. 

Hotels, restaurants and shopping malls also to open from June 8. Decision on opening educational institutions to be taken in July.
 

New Delhi, Feb 19: The UIDAI on Tuesday said its Hyderabad office has sent notices to 127 people for allegedly obtaining Aadhaar numbers on "false pretences" but asserted these have nothing to do with citizenship.

The notices were issued after reports from the police, the Unique Identification Authority of India (UIDAI) said.

"Aadhaar is not a document of citizenship and UIDAI has been mandated under the Aadhaar Act to ascertain residency of a person in India for 182 days prior to applying for Aadhaar," the nodal body, which issues the 12-digit biometric ID, said in a statement.

The Supreme Court, in its landmark decision, has directed the UIDAI not to issue Aadhaar to illegal immigrants, it said.

"It may be noted that the regional office Hyderabad received reports from the state police that 127 people have obtained Aadhaar on false pretences, as in their preliminary enquiry they were found illegal immigrants who were not qualified to obtain an Aadhaar number," the UIDAI said.

As per the Aadhaar Act, such Aadhaar numbers are liable to be cancelled.

"Therefore, the regional office Hyderabad has sent notices to them to appear in person and to substantiate their claims for getting an Aadhaar number," it said.

The UIDAI emphasised that these notices have "nothing to do with citizenship and cancellation of Aadhaar number is in no way related to the nationality of any resident".

In case it is found and proved that any of them obtained Aadhaar by submitting false documents or through false pretences, their Aadhaar is liable to be cancelled or suspended depending on the severity of the transgression, UIDAI said.

"Severe errors like forged documents, etc., will lead to appropriate actions, including suspending /cancelling the Aadhaar," it cautioned.

"Sometimes it becomes necessary to cancel the Aadhaar number when it is found that a resident has obtained it by submitting false biometrics or documents. It is a routine quality improvement process that the UIDAI takes up regularly," the authority said.

The 127 people have been asked to appear before the UIDAI deputy director in Hyderabad for a personal hearing on February 20.

Additional time has been given to allow them to collect the requisite documents, "Since it may take them some more time to collect the original documents that they had submitted for obtaining Aadhaar, as informed by the state police, the UIDAI has postponed the personal hearing to May 2020," it added.