Robert koch institute changes assessment of mouth protection

robert koch institute changes assessment of mouth protection

In the corona crisis, the robert koch institute (RKI) changed its assessment of the wearing of mouth protection.

When people wear masks as a precaution – even without symptoms – it could reduce the risk of transmitting viruses to others, the federal agency’s website said. But this is not scientifically proven. Previously, the RKI had recommended mouth protection only to people with acute respiratory illnesses.

Not everyone who is infected with sars-cov-2 is aware of it, they say. Some infected people did not get sick at all, but could still pass on the pathogen. Rules on coughing and sneezing, hand hygiene and the minimum distance should still be observed even with masks. Furthermore, there is no sufficient evidence that a mouth-nose protection or a self-sewn mask protects oneself from infection.

In its new assessment, the RKI refers to so-called mouth-nose protection and to makeshift masks made of fabric. An overview of the various protective masks:

SELF-MADE MASKS: numerous patterns and folding instructions for homemade mouthguards – also known as community masks – are circulating on the net. This is a clever idea, especially in view of the shortage of medical masks, said virologist christian drosten to the german broadcaster ndr. However, the protective properties depend very much on the material and its use. Tightly woven fabrics are more suitable than lightly woven fabrics. However, the masks do not have a scientifically proven protective effect. However, they are thought to reduce the risk of infection by reducing droplet shedding and by promoting awareness of the need to be mindful of oneself and others. Hygiene and spacing rules should still be followed.

MOUTH-NOSE PROTECTION: these masks also serve primarily to protect other people. They are currently in short supply in medical facilities. The so-called mouth-nose protection also catches liquid splashes and droplets in the exhaled air of the person wearing it. This can reduce the risk of infecting another person by coughing, sneezing or talking. They can also protect the wearer from coarser droplets from the environment. Even they do not offer sufficient protection against viruses and bacteria, because the masks do not fit tightly over the face. For example, small droplets in the air can be inhaled. So, even with these masks, the rules for hand hygiene and safety distance still apply.

FFP-MASKES: the abbreviation FFP stands for filtering face piece. They are divided into three classes: 1, 2 and 3. They provide different levels of protection against solid and liquid particles, with 3 being the highest protection level. To protect yourself from corona viruses, experts recommend class 2 and 3 masks. Because the filter of an FFP-3 mask is very tight, it is difficult to breathe. The mask can therefore only be worn for a short period of time. Medical masks, including surgical masks, are currently in short supply. Many experts therefore advocate that these protective masks be reserved primarily for hospitals, doctors’ offices and nursing homes.

Leave a Reply

Your email address will not be published.

Related Post