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Boy's flu recovery shows benefit of early detection

By Shan Juan  (China Daily)

08:08, April 10, 2013

A medical worker tends a patient infected with H7N9 flu in an intensive care unit at a hospital in Bozhou, Anhui province, on Monday. LIU JUNXI / XINHUA

Public health experts are working closely with doctors to detect early and mild H7N9 cases at hospitals, said Feng Zijian, director of the health emergency center of the Chinese Center for Disease Control and Prevention.

Feng made the comment after the recent recovery of a 4-year-old Shanghai boy from H7N9, the first known patient with a mild infection.

"That showed that mild cases of H7N9 infection also exist, and early treatment can be effective in reversing the process of the illness," he told China Daily on Tuesday.

Authorities confirmed four new human infections of H7N9 avian flu, including two in Shanghai and two in Zhejiang province, on Tuesday, bringing the total number of cases to 28.

A man confirmed to have contracted the virus died on Tuesday in Jiangsu province, bringing the death toll from the flu to eight in the country, authorities said.

Feng said it generally takes three to four days after infection for serious symptoms to develop.

"If we can detect early-stage cases, with mild symptoms, anti-virus medication would help to reverse the process," he said.

Feng suggested expanding H7N9 screening to include patients with mild symptoms.

Under the current guidelines distributed by the health authority, only patients who have had contact with live poultry who develop pneumonia or serious flu symptoms, including high fever, are tested for H7N9.

The Shanghai boy, unlike most other H7N9 patients, "was not hospitalized because of high fever and a runny nose", said Yu Hui, director of the infectious disease department of the Children's Hospital affiliated with Fudan University, where the boy is being treated.

As a flu epidemic surveillance site, the hospital quickly sent samples from the boy to Shanghai Center for Disease Control and Prevention for H7N9 screening, and that ensured early detection, she said.

"Upon receiving the diagnosis, we put him on Tamiflu immediately, and that led to his quick recovery," she said.

The boy now has no respiratory symptoms or fever, but he will remain in the hospital for observation, Xinhua reported.

The standards for discharging H7N9-infected patients have not yet been determined.

H1N1-infected patients must have a full recovery period of seven days and two negative virus tests before they can be discharged from the hospital.

However, Ma Anlin, deputy director of the department of infectious diseases at the China-Japan Friendship Hospital in Beijing, thought it was too soon to expand H7N9 screening.

In regard to the Shanghai boy, he said, "A single case is not enough to serve as the basis of an entire intervention strategy, and practical constraints in equipment and human resources don't permit universal H7N9 screening for all flu patients.

"The top priority in clinical work is treating severe cases to prevent deaths," he said.

It's not feasible or cost-effective to test patients with mild flu for H7N9 infection, he said.

Moreover, "to simply expand virus testing might cause panic and unnecessarily increase the workload of healthcare workers and public health professionals", he said.

"We strictly adhere to the guidelines for H7N9 tests, and so far our hospital has not tested anybody for the virus," he said.

Latest development of H7N9 in China[Special]

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