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, वगैरह. 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 …

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 …

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 (सीवन) जैसे कि …

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 …

COVID-19 कोरोनावायरस का एक प्रकार है जो मनुष्यों में निमोनिया का कारण बन सकता है. यह एक तीव्र श्वसन संक्रामक रोग है, अत्यधिक संक्रामक, और ज्यादातर लोग अतिसंवेदनशील होते हैं. यह मनुष्यों के ऊपरी श्वसन पथ में आसानी से दोहराया जाता है. सामान्य परिस्थितियों में, नए क्राउन न्यूक्लिक एसिड के भीतर जल्दी से पता लगाया जा सकता है 96 संक्रमण के कुछ घंटे बाद. परीक्षक वायरस पा सकते हैं …

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 …

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 world’ Global supply chain problems and inflation could be much worse if China, the world’s factory, hadn’t taken a sweeping approach …

बीजिंग – China’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 …

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 “Technical Specifications for 20-in-1 Mixed Collection and Detection of COVID-19 Nucleic Acids”. The “विनिर्देश” is divided into …

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, वगैरह. The following is a brief introduction to these sterilization methods …

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 …

The masks on the market are basically divided into three categories: नागरिक मास्क, चिकित्सा मास्क और पेशेवर श्वसन सुरक्षात्मक मास्क. नागरिक मुखौटे, जैसे डिस्पोजेबल नर्सिंग मास्क. यह मुख्य रूप से दैनिक सुरक्षात्मक मास्क को संदर्भित करता है जो अधिकांश लोगों के दैनिक जीवन और कार्य की जरूरतों को पूरा करता है. मेडिकल मास्क को मेडिकल प्रोटेक्टिव मास्क में बांटा गया है (N95 मास्क), medical surgical masks and …