What is "human-to-human" transmission? As the name suggests, the virus is transmitted by attaching itself to an object, and then a person comes into contact with the object and becomes infected with the virus.
What does it have to do with "environmental positives"? In fact, they are the same concept, but the latter has a broader scope, which includes not only objects, but also things that exist in the environment such as air.
Then you may ask, "Isn't it true that viruses have a very short survival time in the environment? Why does it spread?
Yes, the virus does not survive long in the environment, but the actual length and environment varies with the humidity, temperature and other conditions of the environment. The winter environment has a relatively longer survival time for the virus due to the lower temperature, so it is more likely to cause infection. Moreover, the current virus has undergone several mutations and is more infectious than the original virus, which is why the concept of a close receiver has been changing with the mutation of the virus.
So how to prevent the possibility of "human-to-human" and "environmental infection"? The following are the most important points.
Since the virus epidemic, masks have become our standard. No matter where we go, wearing a good mask can give us a firm protection. In addition, hand sanitizer is an important factor in fighting environmental infections. After touching public objects, not touching eyes, mouth and nose, and before eating out, you need to clean with a hands-free hand sanitizer.
2. Be aware of your own path of movement. When there is a confirmed patient in your area, we should pay close attention to the trajectory of the official notification of the patient to avoid overlapping trajectories and avoid going to medium and high risk areas to keep ourselves out of the hidden danger.
3. Cooperate with the government to do a good job in environmental disinfection. At this critical juncture of epidemic prevention and control, governments around the world are organizing regular environmental disinfection, and cooperation with the government is the key to prevention and control.
4. cooperate with the environmental sampling and testing work, and large-scale new crown nucleic acid rapid testing work. Environmental Nucleic acid rapid test and risk population mass Nucleic acid rapid test are the key to prevention and control. Both testing principles and steps are the same, after "sampling - sample pretreatment - nucleic acid extraction - nucleic acid amplification Both tests are based on the same principles and steps: "sampling - sample pre-treatment - nucleic acid extraction - nucleic acid amplification" and "rapid nucleic acid detection of specific DNA fragments of the virus.
