Industry News

Are there any health risks to the sampling swabs used for nucleic acid testing?

When a new round of nucleic acid screening was being carried out in Shanghai, a rumor spread widely on social media to the effect that “the cotton swabs used for sampling have reagents on them and are poisonous”. Some netizens left a message on the “Shanghai Refutes Rumors Platform” saying that the elderly at home did not want to participate …

How to Be Sure That the Nasal Sample is Correctly Performed?

For the sample to be taken correctly, the nasal swab must be introduced vertically into each nostril over 2 to 3 cm without forcing. Then gently rock the swab horizontally and insert it a little until you meet slight resistance. Then perform a rotating movement inside each nostril 5 times or more for about 15 seconds.. Once the sample has …

Medico Can Produce Nasal Swabs for COVID-19 Self-test Antigen Kits

Recently, the State Food and Drug Administration of China approved the registration application of 5 COVID-19 antigen test products, and 10 new crown antigen self-test products have been officially launched since then. The disposable nasopharyngeal sampling swabs produced by Shenzhen Medico Technology Co., Ltd. can be used for COVID-19 antigen test. The company has put into production and has a …

China’s Shenzhen Starting to Resume Normal Work, Production

A medical worker takes a swab sample from a child for nucleic acid test at a testing site in Futian district of Shenzhen, South China’s Guangdong province, Jan 9, 2022. [Photo/Xinhua] SHENZHEN — Government offices, enterprises, and businesses in the southern Chinese metropolis of Shenzhen to resume normal work and production from Monday as the latest COVID-19 resurgence subsides, local …

China’s Jilin Hands Out COVID-19 Self-Test Antigen Kits

CHANGCHUN — The northeastern Chinese cities of Changchun and Jilin, hardest hit by the fresh outbreak of COVID-19, have distributed millions of COVID-19 self-test antigen kits to citizens, including students, to accelerate massive epidemiological screening. Starting from 4 am Wednesday, Changchun, the capital of Jilin province, has given out more than 3.34 million self-test kits to part of its urban …

What are the general standards for Disposable sterile sampling swabs to meet?

Disposable sterile sampling swabs are free from bacteria or other living microorganisms.  Generally used for biological sample collection to avoid sample contamination, and for medical use to avoid infection. The material and appearance design of the sampling swab will directly affect the sample collection effect. So, what standards do disposable sterile sampling swabs generally meet? Sampling swab head Synthetic fibers …

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, etc. 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 …