“Delta’s most aggressive type of coronavirus.” Australia: infection in seconds

The Delta variant is not only more contagious, it is also spreading rapidly. Australian scientists warn that it takes just 5-10 seconds to become infected, not a quarter of an hour, as it was believed at the beginning of the pandemic. Moreover, the pathogen is much easier to spread by air. One example is the situation in Sydney where a person got infected from a sick stranger by simply walking past him. What does it all mean?

1. The Delta variant is currently the most aggressive type of coronavirus since the beginning of the pandemic, notes Dr. Paweł Grzesiowski in Gazeta Wyborcza
2. It is estimated that with the Delta mutation, one person infects five to eight people
3. Australian health experts suggest 5-10 seconds may be enough to infect, and close contact with the sick person is not necessary.
4. WHO experts stress that there is not enough evidence yet to support these concerns
5. You can find more such stories on the Onet homepage.

The Delta variant is the most aggressive type of coronavirus to date

The Delta mutation of the coronavirus is spreading around the world, triggering anxiety and concern about an increase in the incidence. They are all the more justified as this variant is very contagious – it is estimated that one person infects five to eight people (with the British variant, it was three to five people). – The Delta variant is currently the most aggressive type of coronavirus since the beginning of the pandemic – admitted in Gazeta Wyborcza, an expert of the Supreme Medical Council, Dr. Paweł Grzesiowski. Moreover, Delta appears to spread very easily, including by air.

Over the months of the pandemic, it has become clear that SARS-CoV-2 spreads from person to person in several different ways. Still in the fall, it was reported that the drip road dominated. This means that we can become infected through droplets of saliva and mucus from the upper respiratory tract of a person sneezing, coughing, or talking, singing or breathing. In other words, for infection to occur, direct contact with the sick person (within a radius of about a meter from us) was necessary. – He would have to stand next to you and spray his saliva or other secretions in the air to infect you – Dr. Paweł Grzesiowski explained to the journalist of Gazeta Wyborcza.

In the fall, the American Center for Disease Control (CDC) also confirmed that the coronavirus can be transmitted by air in fine aerosols (including in poorly ventilated rooms). It has been established that these droplets can transmit the virus over a distance of several to several meters, and in some situations remain in the air for up to several hours. This means that contamination can occur despite keeping a distance of at least 1,5-2 meters.

In the spring of 2021, a team of scientists, led by specialists from the University of Oxford, announced its findings. They showed that SARS-CoV-2 is transmitted mainly by air. Scientists referred to the cases of the so-called Super Seeders – For example, in Skagit County, Washington, one person in the choir infected 53 others. According to the authors of the article, research confirms that such events cannot be explained by close contact or transmission of the virus by touching infected surfaces alone. They also drew attention to the research, according to which people suffering from asymptomatic diseases or those whose symptoms have not yet developed and do not sneeze or cough, accounted for approx. 40 percent. infections. Scientists pointed out that this “silent” transmission was one of the main ways of spreading the virus.

It only takes a few seconds to get a Delta infection? Examples from Australia

As for the Delta mutation, it is said to be transmitted by airborne droplet. Dr. Grzesiowski talked about it in the above-mentioned interview. – In the case of the Delta variant, the patient could already leave the room, the lady would walk in there, breathe the local air and thus became infected – explained the specialist. – The virus is now assumed to remain in the air in an unventilated confined space for an hour after the patient’s departure, in sufficient quantity to become infected. The specialist also gave an example from Australia. – It has been confirmed that a healthy person is infected in the toilet, from which the sick person left a moment earlier – he reported in Gazeta Wyborcza.

Other disturbing information is flowing from this continent regarding the spread of the Delta. Australian health specialists warn that “fleeting contact” is all it takes to get infected. – At the beginning of this pandemic, I said that 15 minutes of close contact is a problem. Now it looks like it takes five to 10 seconds to become infected, she said. The risk is much higher than a year ago, Queensland Health Director Dr. Jeannette Young told The Guardian.

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The Australian media provide examples of situations in which infection occurred with only “fleeting contact”. “It only took a few seconds for a person to become infected with COVID-19 when a stranger walked by while shopping at a mall in a Sydney suburb,” abc.net.au reports. A similar situation was going to happen in a cafe and another shopping center. “We have to recognize that the Delta variant… is in fact a gold medalist when it comes to jumping from one person to another,” quotes Gladys Berejiklian, member of the New South Wales Legislative Assembly, the American Forbes.

The media note that cases of coronavirus transmission via “fleeting non-physical contact” should be a warning to the world. However, according to WHO experts, there is not enough evidence yet to confirm that the Delta variant of the coronavirus can spread in as little as five or 10 seconds.

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