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As more and more people discuss infectious diseases, the competition for protection measures becomes more and more intense. The actual effect of surgical masks in people's daily lives has been controversial. Wearing a mask is sometimes a reasonable precaution, but the recommendations of public health experts may change depending on the severity of the threat in the area.
Fear of the recent coronavirus outbreak is challenging the ongoing public health dialogue.
With the spread of COVID-19, Americans flocked to pharmacies and online retailers to buy medical masks, causing a serious shortage of masks.
The use of masks among healthy people actually does more harm than good-surgical masks are indeed needed in crisis areas, and the use of masks outside areas where the virus spreads rapidly makes it more difficult to meet demand.
According to the US Centers for Disease Control and Prevention (CDC), a typical surgical mask does not provide the wearer with a reliable level to prevent inhalation of smaller particles in the air, nor can it be considered respiratory protection.
So, who should use a surgical mask? "The role of the mask is to control the source of the patient and prevent pollution of the surrounding environment when a person coughs or sneezes," the Centers for Disease Control and Prevention reports. "Patients with confirmed or suspected COVID-19 should wear masks until they are isolated in the hospital or at home." Patients do not need to wear masks when they are isolated.
In other words, if you have shown symptoms or have been diagnosed with a certain disease, and you want to avoid making others sick, it is worth wearing them. But ordinary surgical masks cannot effectively prevent healthy people from inhaling small particles (because they cannot provide a perfect seal on the face).
Another type of mask, the N95 respiratory protective mask, provides a better seal and is about 95% efficient in filtering large and small particles. During the outbreak, health care providers urgently needed these masks.
The US Centers for Disease Control and Prevention report said: "N95 surgical masks (also known as medical respirators) are only recommended for medical personnel who need protection to avoid air and liquid hazards (such as splashes, splashes)." "These Respirators are not needed outside of health care facilities. "In times of shortage, only health care personnel working in the sterile field or who may be exposed to high-speed splashes, sprays, or blood or body fluid splashes should wear these protective masks, Such as in surgery or procedure settings.
Protecting people who care for patients is essential to prevent the spread of coronavirus.
The best way to prevent coronavirus or flu (which is still a threat in the United States) is to get a flu vaccine every year, then develop good hand hygiene habits, and often wash your hands with soap and water. Avoid touching your face, especially the "t-zone" around your eyes, nose, and mouth. Try to stay away from people who have symptoms of upper respiratory tract infections, such as runny nose, cough, and difficulty breathing. If you have any positive symptoms, especially fever, stay at home and do not infect other people.
Walking into a grocery store, you may see shoppers wearing latex or similar gloves while pushing the shopping cart. They wear gloves to prevent sexually transmitted diseases.
But can wearing gloves protect you from viral infections? It depends on the specific situation, for the following reasons:
COVID-19 mainly spreads in the air
The virus that causes COVID-19 mainly spreads from person to person through droplets when an infected person coughs or sneezes. This happens when people are less than 6 feet apart. Another way to infect viruses is through contaminated surfaces. Therefore, when you touch a virus-bearing surface and then touch your mouth, nose, or eyes, you may be exposed to the virus. However, the US Centers for Disease Control says that this does not seem to be the main method of virus transmission. niosh n95 respirator mask

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