Alat antigen: update on New Coronavirus pneumonia. From 0:00 to 24:00 on April 19, 31 provinces (autonomous regions and municipalities directly under the central government) and Xinjiang production and Construction Corps reported 2761 new confirmed cases.

For each case of epidemic situation, 10 nasal swabs should be collected as far as possible (if there is an outbreak of epidemic disease, all swabs should be collected at the same time). For those that cannot be diagnosed clearly, the sampling batch and quantity can be increased as appropriate.

Throat swab is the most important sampling method for diagnosing COVID-19 infection. Correct sampling is the key to improve the accuracy of pharyngeal swab nucleic acid detection.Pharyngeal division includes nasopharynx, oropharynx and laryngopharynx.

The problem of false negative detected by COVID-19 throat swab is plaguing the medical personnel who fight in the front line of epidemic prevention and control. How to solve this problem?What is the key to the accuracy of pharyngeal swab nucleic acid test specimen collection?

Rapid igm igg: the new variant has become dominant, and the actual number of infections may far exceed the official data. The ABC reported that it took NSW 731 days to reach the official total of 1 million cases, and 75 days to go from 1 million to 2 million. And according to unofficial figures.

Flu a and b test: the new crown epidemic in the United States may be underestimated or re-emerged. Recently, the new crown epidemic in the United States seems to be in a plateau, but epidemiologists said that factors such as incomplete epidemic data statistics may seriously underestimate indicators such as the number of daily confirmed cases in the United States.

Rapid test swab antigen: South Korea has the highest number of daily confirmed cases and deaths. According to the latest data released by the World Health Organization on the 8th, as of 19:1 Central European Time on the 8th (1:1 on the 9th Beijing Time).

Apa rapid test antigen: how are those countries that are "lying flat" fighting the epidemic. It is expected that outbreaks will continue to occur everywhere, especially in those areas where measures to prevent transmission have been lifted.

Rapid test antigen: experts call for epidemic prevention not to relax. The new crown virus is still spreading in Europe, and the epidemic data in Germany, France, the United Kingdom and other countries are not optimistic. Some countries' medical systems are under severe pressure.

Antigen dan swab: WHO premature lifting of epidemic prevention restrictions. After some European countries successively lifted epidemic prevention restrictions, the number of new crown infections in these countries has surged.