New discovery! AIDS, hepatitis B syphilis, three diseases combined with maternal and child block strategy

New discovery! AIDS, hepatitis B syphilis, three diseases combined with maternal and child block strategy

April 15, 2019 Source: Science and Technology Daily

The reporter learned from Xi'an Jiaotong University on the 14th that the team of Professor Zhang Lei from the School of Public Health of the school used the data of pregnant women in Cambodia to construct a mathematical prediction model to evaluate the disease control effect and cost effect of the integrated intervention program. The research results have recently been published online in the International Journal of Epidemiology, entitled "Integration of AIDS, Hepatitis B, and Syphilis, Intervention of Mother-infant Intervention, Very Efficient and Cost Effective: Health Economics Evaluation Study".

A team study by Professor Zhang Lei of Xi'an Jiaotong University shows that if the AIDS and syphilis interventions are integrated into the existing antenatal care system, the mother-to-child transmission rate of AIDS and syphilis can be reduced to 6.1% and 4.6% respectively; if the mother with hepatitis B virus is given Infant delivery of hepatitis B immunoglobulin injection can reduce the mother-to-child transmission rate of hepatitis B to 5.0%; if antiviral treatment is provided for pregnant women with high viral load of hepatitis B, the mother-to-child transmission rate of hepatitis B can be reduced to 3.5%; The above two kinds of hepatitis B mother-infant blocking measures can reduce the mother-to-child transmission rate of hepatitis B to 3.4%. All of the above interventions have higher cost effects, and integrated interventions are far more economical than separate interventions, indicating that the three-disease combined mother-to-child blocking strategy is highly feasible in developing countries.

Vtm Sampling Tube With Swab

[Sample requirements]
The collected nasopharyngeal swab samples should be transported at 2°C to 8°C and sent for inspection immediately, and the sample delivery and storage time should not exceed 48 hours.

[Testing method]
1. Before sampling, mark the relevant sample information on the label of the sampling tube.
2. According to different sampling requirements, use a sampling swab to sample in the nasopharynx.
3. The specific sampling methods are as follows:
a) Nasal swab: Gently insert the swab head into the nasal palate, stay for a while and then slowly turn to exit. Wipe the other nostril with another swab, immerse the swab head in the sampling solution, and discard the tail.

b) Pharyngeal swab: Wipe bilateral pharyngeal tonsils and posterior pharyngeal wall with a swab, also immerse the swab head in the sampling solution, and discard the tail.

4. Quickly put the swab into the sampling tube.
5. Break the part of the sampling swab higher than the sampling tube, and tighten the tube cover.
6. Freshly collected clinical specimens should be transported to the laboratory within 48 hours at 2°C to 8°C.

[Explanation of test results]
After the sample is collected, the sampling solution turns slightly yellow, which will not affect the nucleic acid test result.

[Limitations of the test method]
1. For samples that are seriously contaminated due to improper storage after collection, the final test results will be affected.
2. If the sample is not stored at the specified temperature, the final test result will be affected.

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