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How to Do a COVID-19 Antigen Rapid Test (Self-Testing)

The COVID-19 Antigen Rapid Test is a lateral flow test for the qualitative detection of the nucleocapsid antigen from SARS-CoV-2 in anterior nasal swab specimens directly from individuals suspected of COVID-19 within the first seven days of the onset of symptoms. The test can also test specimens from individuals without symptoms. How to Do a COVID-19 Antigen Rapid Test (Self-Testing) …

What causes a false negative in the nucleic acid test for COVID-19?

What is a COVID-19 false negative? It means that the result of a certain test should actually be positive, but the result is negative due to reasons such as operation, equipment, personal physical characteristics, и т.д. Positive results were obtained after repeated negative tests, throat swab samples were negative for multiple tests but finally positive results were detected in respiratory lavage

Medical expert says vaccine strategy key to fight against COVID-19 pandemic

Promoting an efficient vaccine strategy will be the top priority in the next phase of the fight against the COVID-19 pandemic, renowned Shanghai doctor Zhang Wenhong wrote on his Sina Weibo account on Monday. “There is a certain proportion of cases whom despite receiving two doses of the vaccine developed severe conditions that require oxygen supplementation. But the incidence of

What type of COVID-19 test should I get?

COVID-19 is a respiratory disease that can cause severe illness, especially in people with preexisting health conditions like diabetes, obesity, or high blood pressure. Types of COVID-19 tests Two types of tests are commonly used to identify a current infection of SARS-CoV-2, the coronavirus that causes COVID-19. The first type is molecular test. Molecular tests include nucleic acid amplification tests (NAAT) such as

Fudan University researchers develop rapid test for COVID-19 virus

Photo of Fudan University’s Handan campus in Shanghai, Nov 14, 2018. [Photo/IC] Researchers from Fudan University in Shanghai have devised a method that offers detection of novel coronavirus nucleic acids in less than four minutes, much faster than the current method used domestically. The research team said the new approach is ultrasensitive and uses small, portable equipment. In the polymerase

Why Use Flocked Sampling Swabs for COVID-19 Nucleic Acid Testing?

COVID-19 is a variant of the coronavirus that can cause pneumonia in humans. It is an acute respiratory infectious disease, highly contagious, and most people are susceptible. It is easily replicated in the upper respiratory tract of humans. Under normal circumstances, the new crown nucleic acid can be quickly detected within 96 hours after infection. Testers can find the virus

What Should I Pay Attention to when Doing Nucleic Acid Testing?

1. To avoid vomiting, do not eat 2 hours before sampling 2. To avoid affecting the test results, 30 minutes before sampling, do not smoke, drink or chew gum 3. On the way to the nucleic acid test, wear a medical mask and try not to take public transportation 4. Keep a safe distance of more than 1 meter in

China’s COVID policy credited with stability of supply chain

A medical worker takes a swab sample from a citizen for nucleic acid test at a testing site in Suifenhe, Northeast China’s Heilongjiang province, Jan 31, 2022. [Photo/Xinhua] Bloomberg article: Zero-tolerance approach ensures goods keep flowing ‘to rest of worldGlobal supply chain problems and inflation could be much worse if China, the world’s factory, hadn’t taken a sweeping approach

China’s most used COVID-19 vaccines effective against Delta variant

BEIJINGChina’s two most widely used COVID-19 vaccines, developed by Sinovac and Sinopharm, were shown to be effective against the Delta variant of the coronavirus, a study based on real-world data in the country showed on Tuesday. The two vaccines were 52% effective against Delta infection and 60% for symptomatic disease, researchers wrote in a peer-reviewed paper. The study

Технические спецификации для смешанного сбора и обнаружения нуклеиновых кислот COVID-19 20-в-1

In order to guide various localities to carry out the COVID-19 mixed collection detection work and further improve the nucleic acid detection capability and efficiency, The Medical Rescue Team of the Joint Prevention and Control Mechanism of the State Council recently released the “Технические спецификации для смешанного сбора и обнаружения нуклеиновых кислот COVID-19 20-в-1”. TheSpecificationis divided into

Технические спецификации для смешанного сбора и обнаружения нуклеиновых кислот COVID-19 20-в-1?

Sterilization is the use of physical or chemical methods to destroy all microorganisms including large numbers of resistant bacterial spores. Make it sterile to avoid infection and spread of disease during use. Common medical sterilization methods include: dry heat sterilization, moist heat sterilization, gas sterilization, radiation sterilization, filter sterilization, и т.д. The following is a brief introduction to these sterilization methods

Технические спецификации для смешанного сбора и обнаружения нуклеиновых кислот COVID-19 20-в-1

Chinese health authorities have adopted faster-pooled tests for the coronavirus that allow professional labs to process 20 samples at a time. The updated testing techniques, based on the current practice of putting five or 10 swab samples together and testing as one, are aimed at sharply boosting the efficiency of virus testing, said the State Council inter-agency task force for

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