COVID-19 kicked off at an alarming rate in 2020. A complete stranger, highly infectious virus in the world. This may result in a short time of infection, even death. Global risk level for the new Crown pneumonia outbreak of World Health Organization is "very high", from the previous "high" on February 28, at the same time, it is emphasized that this is not to create panic, but the country prepared for a possible outbreak . Because this virus is sweeping the world an unprecedented panic, it brings the fatal blow, global health, economic and financial. 1. The current outbreak symptoms and COVID-19 COVID-19 is found as early as the Chinese, and about 80,000 people are infected, more than 3,000 people were killed. Fortunately, efforts to assist countries in the world and the Chinese government and people, the coronavirus has been effectively controlled in China. While other countries, such as Italy, South Korea and Japan, suffering from the virus, the Chinese government announced its experience in the prevention and control of viral world, hope can defeat the human virus and restore peace and good health as soon as possible. For patients diagnosed with coronavirus disease 2019 (COVID-19), the condition reports, ranging from mild to severe, and even death. Symptoms include fever, cough and dyspnea.The Center for Disease Control and Prevention (CDC) Now that the symptoms may appear after a short period of two days or exposed to COVID-19, as long as 14 days. 2. Protection Measures With the new coronavirus attack, everyone is highly concerned about how to properly protect themselves. January 20, academician Zhong Nanshan, National Health and Medical Committee of the High-Level Panel of Experts leader, in an interview with CCTV News interview, said, "wear a mask to prevent is very useful new coronavirus outbreak." US Ce

The Difference between KN95 and N95 N95 respirator is certified rating from the US, certified by the National Institute for Occupational Safety and Health (NIOSH). Such masks at a specified air flow rate (85L / min) conditions, it is possible to filter out more than 95% of the non-oily particles (aerosols), so the name N95. If the filter can be more than 99% of the particles (aerosols), called N99 mask. Further, corresponding to N95, KN95 GB2626-2006 of a respirator by self-absorption of filtering particulate respirator masks standard certification. KN95 and N95 masks level of protection equivalent to just follow a different national test standards. KN95 follows the Chinese standard masks, masks N95 follow the US standard, both for non-oily particles (experimental sodium chloride particles) neither the protection efficiency of less than 95%. 2 KN95 masks can not be used for line protection? Jin Xiangyu: KN95 masks and N95 masks include medical and non-medical types. Which, KN95 / N95 masks in the "medical" logo masks can be used to protect front-line health care workers during the fight against SARS, no mask "medical" logo does not recommend the use of health care workers, ordinary people can use. GB19083 compliance mask stage 1 above, can achieve 95% of filtration, but also liquid impermeable, it may be used for various types of medical operations. The Red Hubei will raise questions of these masks KN95, such as public content is true, indeed the understanding of the health department, confirmed that the new models can not be used for treatment of pneumonia crown hospitals medical staff protection, it can be presumed to be in masks KN95 non-medical in this category. 3 Why KN95 / N95 masks can anti-virus? Jin Xiangyu: virus is usually not present alone in the air, but is attached to the spray, dust