Answer to COVID 19 (Corona virus)

Q: How was this outbreak diagnosed?

    Answer: Based on the patient's clinical manifestations, epidemiological history, and pathogenic test results, a comprehensive study is made.

    Q: What are the characteristics of the clinical manifestations of this outbreak?                    

    Answer: The clinical manifestations are systemic symptoms such as fever and fatigue, accompanied by dry cough, and dyspnea in hospitalized patients is more common. Vital signs were generally stable at the time of admission.

    Q: There is currently one death case. What is the specific situation?

    Answer: The patient was a 61-year-old male. He was admitted to the hospital due to respiratory failure and severe pneumonia, and also suffered from abdominal tumors and chronic liver disease. The patient purchases goods from the South China Seafood Market in Wuhan. After admission to the hospital, symptomatic support, anti-infection, ventilator-assisted breathing, continuous ECMO in vitro life support, and other treatments were not improved. On January 9, 2020, the heartbeat stopped and she died after rescue. The results of the etiology test indicated that the new coronavirus was positive for nucleic acid. The deaths were diagnosed as severe pneumonia, acute respiratory distress syndrome (severe), septic shock, multiple organ failure, severe acid-base metabolism disorders, and liver cirrhosis. The direct cause of death was respiratory circulation failure.

    Q: What does it mean that the report says "no new cases have been detected since January 3, 2020"?

    Answer: According to epidemiological surveys by national, provincial and municipal experts, the incidence of unexplained viral pneumonia in Wuhan this time was between December 8, 2019 and January 2, 2020. Since January 3, 2020, clinical and epidemiological investigations have revealed no patients with new infections.

    Q: How to understand "No clear evidence of human-to-human transmission"?

    Answer: According to epidemiological surveys by national, provincial and municipal experts, most of the unexplained viral pneumonia cases in Wuhan this time have a history of exposure to the South China seafood market. No clear evidence of human-to-human transmission has been found. We are further conducting epidemiological investigations and related laboratory tests. In addition, all close contacts, including medical staff, have so far not detected any related cases.

Q: Recently, a tourist from Wuhan was diagnosed with a new coronavirus-infected pneumonia patient in Thailand. Please provide relevant information.

On January 13, 2020, Thailand reported a pneumonia case of a new coronavirus infection from Wuhan. The city attaches great importance to timely investigation. The patient is a citizen of our city and is now receiving treatment in Thailand with a stable condition. At the same time, the health department conducted medical observations on all close contacts of the patient found, and currently there is no abnormal performance.

Q: At present, in order to detect pneumonia cases of new coronavirus infection as early as possible, what measures has our city taken?

After the outbreak, our city quickly carried out relevant case screening in all medical institutions in the city. Up to now, the expert group has integrated the clinical manifestations, epidemiological history, and laboratory test results of patients to determine new pneumococcal infections. example. Recently, our city has further strengthened case monitoring and search work. On the one hand, we continue to do a good job of monitoring for unknown causes of pneumonia; on the other hand, we carry out case searches in various medical institutions at all levels in our city in order to detect cases early.

Q: As of now, is there any case of human-to-human transmission?

Existing survey results show that clear human-to-human evidence has not been found, and the possibility of limited human-to-human transmission cannot be ruled out, but the risk of continued human-to-human transmission is low. At present, further research is being carried out combining clinical and epidemiological data.

Q: Has a family clustering case been found?

Of the 41 cases currently diagnosed , one was found to be clustered in the family. The husband and wife developed the disease first, and the husband first developed the disease. He was an employee of the South China Seafood Wholesale Market, and his wife denied a history of South China Seafood Wholesale Market exposure.

Q: What are close contacts? Why medical observation of close contacts for 14 days? If close contacts develop symptoms during the observation period, how can they be diagnosed and treated?

At present, the close contacts defined in this epidemic are those who live with patients, work and study in the same room, and live in the same room. The medical staff and caregivers who have not taken effective protective measures during the diagnosis and treatment of cases have not taken effective protective measures. Laboratory testing personnel, other patients or accompanying staff in the ward, other contact situations determined by disease control professionals in the same transportation with patients and close contact with people.

With reference to the incubation period of diseases caused by other coronaviruses, information about this new coronavirus case, and current prevention and control practices, the medical observation period for close contacts was set to 14 days, and home medical observations were made for close contacts. During the observation period, once the close contacts are found to have abnormal clinical manifestations such as fever and cough, the close contacts will be sent to the designated medical institution for investigation, diagnosis and treatment in a timely manner.

Q: What are the characteristics of the epidemic cases that have been found so far? What is the development trend of the epidemic situation?

Of the 41 cases diagnosed, the majority were male, and the number of middle-aged and elderly patients was higher. In the early stage of the case, fever and cough are the main symptoms, which can be manifested as persistent mild disease in the early stage. Patients who are older or have a basic disease tend to progress to severe disease.

Preliminary results of existing etiology studies and epidemiological investigations show that most of the cases are related to the South China Seafood Wholesale Market exposure, a few cases have no history of South China Seafood Wholesale Market exposure, and some cases have been exposed to similar cases. No community transmission has been identified.

Q: After closing the South China Seafood Wholesale Market, are there any findings in the market? What measures have other markets taken?

After the South China Seafood Wholesale Market was closed, the city strengthened its disposal of market environmental hygiene, carried out disinfection and sanitary disposal of the market, and carried out garbage cleaning and disinfection. In order to strengthen the traceability work, environmental specimens are collected and tested in the market. At present, the test results found that some samples were positive for the new coronavirus. At the same time, preliminary investigations have been conducted in other markets, and no clues related to the source of the infection have been found.

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