On March 27th, a layer of hens raised by a farmer in Hongdong County, Linyi City, Shanxi Province experienced suspected bird flu symptoms, with 812 cases and 699 deaths. On March 31st, the Shanxi Animal Disease Control and Prevention Center was diagnosed as suspected of the bird flu epidemic. On April 4, the national bird flu reference laboratory confirmed the epidemic was the H7N9 flu epidemic.
After the outbreak of the epidemic, the local authorities did a good job of handling the epidemic in accordance with the relevant preplans and the requirements for prevention and control technical specifications, and culled and detoxified 6,374 poultry. At present, the epidemic has been effectively controlled.
Virus Specimen Collection Tube
Features
1. Medical grade polypropylene material, high transparency, high sealing and low temperature resistance;
2. With 6ml&10ml two specifications, the cone bottom can stand;
3. The thread structure design of the pipe cover ensures high sealing performance; the pipe cover has no O-ring external rotation design to reduce sample contamination caused by operation and storage;
4. It can cooperate with the sampling swab to perform the functions of collecting and transporting multiple types of samples such as viruses and microorganisms.
Applications
Used for the collection and transportation of clinical influenza, avian influenza, hand-foot-mouth disease, measles and other virus specimens, as well as mycoplasma, ureaplasma, chlamydia and other specimens.
Mixed sample tubes hold more swab heads, so the retention fluid capacity is often larger. For example, single swab retention solution is generally 3ml, 10 and 1 sample tube retention solution is generally 6ml, 20 and 1 retention solution is 10-12ml. The same amount of viral nucleic acid (e.g. 300copies) is stored in 3ml, 6ml, and 12ml copies in concentrations of 100copies/ml, 50copies/ml, and 25copies/ml respectively. Obviously, the greater the number of mixed tests, the lower the virus concentration, the higher the detection sensitivity will be required.
The more the number of mixed tests is, the contact surface between the swab head, the preservation solution and the tube wall will be doubled, which will lead to the increased probability of viral nucleic acid adsorption on other swab heads or tube wall. These factors all lead to higher requirements for system sensitivity.
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