What is COVID-19?
According to the World Health Organization (WHO), the lung disease from China that first appeared in Europe in February 2020 and is caused by a coronavirus is called Covid-19 (abbreviated from Corona Virus Disease 2019). At the same time, the pathogen, the “new” coronavirus, which was previously called 2019-nCoV, was given its own name: Sars-CoV-2. This should also be decisive for the future scientific designation in studies.
The namesake of the pathogen, the coronavirus study group of the International Committee on Taxonomy of Viruses (Sars-CoV-2), refers to the very close relationship to the Sars virus (Sars-CoV) who died in 2002/2003. According to experts, the viruses are variants of one and the same type of virus. The disease begins with a mild to moderate upper respiratory infection. This could be a human coronavirus. However, the virus family can be transmitted between humans and animals.
Where the virus originally came from is not yet known. Bats are considered a likely virus reservoir. The first cases were reported by a market in the Chinese city of Wuhan selling wild animals. Bats and fruit bats, which are consumed by humans in certain regions of Asia, are among the possible transmitters of the new coronavirus. Since the virus seems to be first appeared in bats and then mutated and was transmitted to humans for the first time around mid-November 2019 via other hitherto unknown carriers.
According to data from the President of the Robert Koch Institute (RKI), Lothar Wieler, previous data indicate that the new lung disease Covid-19 in China is similar to a severe flu wave. Although China has taken drastic measures to prevent the virus from spreading further, a pandemic has now occurred. Therefore, various measures to protect against infection must be taken.
The symptoms of the new lung disease are rather non-specific. Fever, dry cough, and breathing problems can also occur with flu. The Sars-CoV-2 viruses multiply like flu viruses in the throat, which makes them more contagious than initially suspected, reports the virologist Christian Drosten from the Berlin Charité. The pathogens mainly infect cells of the lower respiratory tract and can cause pneumonia. Some people only have mild cold symptoms with chills and sore throats. Sometimes patients can have headaches or diarrhea. Fever does not necessarily occur.
How to prevent coronavirus?
- When performing daily activities, you can take the following measures to prevent coronavirus infection:
- Clean your hands regularly with an alcohol-based disinfectant or wash them with soap and water. The hands should be washed for at least 20 seconds. If your hands are not washed, do not touch your mouth, eyes, or nose.
- Avoid crowded places, especially if you belong to people over 60 and people with other health problems. It is also important that you distance yourself from people who are sick and who are experiencing symptoms.
- Avoid close contact with people with flu-like symptoms such as coughing and sneezing. Cleanliness is the key.
- Do not touch your lips, nose, or eyes before washing your hands.
- In addition, influenza vaccination is recommended to prevent other seasonal respiratory infections.
- Use masks whenever you are going out to prevent this virus.
What is the N95 mask?
An N95 ventilator is a respirator designed to reduce user exposure to airborne particles, including very small particles (0.3 microns) and large droplets. The N95 respirator literally has a filtration efficiency of at least 95% compared to non-oily particles.
The N95 mask bears the full name of a NIOSH-certified N95 respirator. This means that these respirators are 95% filtered and certified by the U.S. National Institute of Occupational Safety and Health (NIOSH). The KN95 ventilator is a particle filter mask that has been tested according to the China criteria. The FFP2 is a filter face piece score of 94% filter capacity that has been approved by Europe and the KF94 is tested according to Korean criteria. Don’t let this health threat restrict you or your family. Wear security protection! One of these obvious options when looking for an N95 mask for viruses is this single-use ventilator.
N95 Respirators and Surgical Masks
Surgical face masks filter the breathing air from doctors and nursing staff and thereby prevent infection of the patient. They are actually not intended for protection in the other direction since the masks do not close completely on the facial skin. In addition, the masks are often worn “casually.” Aerosols containing viruses or other pathogens can enter the respiratory tract by the side of the mask.
The US Centers for Disease Control and Prevention (CDC), therefore, urgently advised staff during the H1N1 epidemic of 2009 (“swine flu”) to protect themselves from infection with N95 respirators. After that, they became standard respiratory protection in many US clinics. This not only puts a strain on the clinic’s budget since the N95 respirators are relatively expensive. Due to their low wearing comfort, they are unpopular with the staff.
An earlier laboratory study on dummies had shown that the surgical face masks are better than their reputation if the masks are completely on the skin: 94.5% of viruses were found in a test series in Clinical Infectious Diseases (2012; 54: 1569-77) held back. The difference to the N95 mask, which held back 99.8% of the viruses, was not very big. If the masks were only put on “loosely,” they held back less than 70% of the viruses. The N95 respirator mask was also no more effective if it was not put on properly.
So there were legitimate doubts as to whether the N95 respirators really achieve a greater protective effect in everyday clinical practice than a simple surgical face mask. A randomized study that had the CDC conducted at seven centers now confirms this impression.
In 380 outpatient facilities, including outpatient clinics, dental offices, emergency centers, hemodialysis centers, emergency rooms, and emergency services, the staff was asked over four years during the flu season to wear either disposable N95-certified respirators or conventional surgical face masks during patient contact.
In the group with N95 respiratory masks, 89.4% of the participants stated that they wore the masks “always” or “sometimes.” In the group with surgical face masks, it was 90.2%. Refraining from the inconvenient N95 respirator is, therefore, not an explanation for the lack of superiority.
Overall, it is a popular N95 mask for viruses because it is only effective. People who have tried to use it have praised it for its maximum protection. The high filter efficiency also makes it excellent value for money. You may want to check it to get the best filter results. The disposable respirator HDX N95 is also suitable for all non-harmful dust caused by isolating particles, saws, and grinding.
Where to buy n95 mask
N95 masks come in a box of 5 respirators, so you don’t have to buy one from time to time. Right now, it’s pretty difficult to find these masks anywhere. The high demand brings shortages. Human fear of the virus has brought this mask into distress so that supplies can become scarce. If you want to stock up on an N95 mask, I recommend taking a look at this N95 rated respirator here (add the link here). It is also approved by the National Institute for Safety and Health at Work (NIOSH).
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