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By Institutional Communicator of the Popular Power Perico: Noremis Rodríguez Gónzalez

Computer scientist of People's Power Parakeet: Alexander Marrero Acanda

The US Centers for Disease Control and Prevention (CDC) updated the guidance on its website to say that coronavirus can be commonly spread "through respiratory droplets or small particles, like aerosols', which are produced in the air even when a person breathes.

"Viruses that are transmitted through the air, including covid-19, are among the most contagious and easily spread," the site now says.

Previously, the CDC page said that Covid-19 was thought to spread primarily between people in close contact, around 2 meters. And "through respiratory droplets produced when an infected person coughs, sneezes or talks."

The page, updated on Friday, still says that covid-19 is most frequently transmitted between people who are in close contact with each other. And now he says that the virus is known to spread "through respiratory droplets or small particles, such as aerosols, produced when an infected person coughs, sneezes, sings, speaks or breathes."

These particles can cause infection when "they are inhaled through the nose, mouth, airways and lungs," he says. "This is believed to be the main way the virus spreads."

“There is growing evidence that airborne droplets and particles can remain suspended in the air and be inhaled by others. And travel distances greater than two meters. (For example, during choir practice, in restaurants or in gymnastics classes) », the page now says. "In general, indoor environments without good ventilation increase this risk."

The CDC also added new measures to its information on how to protect yourself and others.

Previously, the CDC suggested maintaining a "good social distance" of about 2 meters. Also, routinely wash hands, clean, and disinfect surfaces. And cover your mouth and nose with a mask when you are around other people.

Now, he says "stay at least 2 meters away from others, whenever possible." And he continues to direct people to wear a mask and to routinely clean and disinfect. However, he now also says that people should stay home and isolate themselves when they are sick. And "use air purifiers to help reduce germs in the air indoors."

Masks, he notes, should not replace other prevention measures.

The update also changed the language around asymptomatic transmission, from saying "some people without symptoms can spread the virus" to saying "people who are infected but show no symptoms can pass the virus to other people."

For months, scientists have watched the likelihood of coronavirus transmission via airborne viral particles and lobbied health agencies to recognize it.

In April, a prestigious scientific panel told the White House in a letter that research showed that the coronavirus can be spread not only by sneezing or coughing, but also by speaking, or possibly even simply breathing.

"While current [coronavirus] specific research is limited, the results of available studies are consistent with aerosolization of the virus from normal respiration," according to the letter. This was written by Dr. Harvey Fineberg, former Dean of the Harvard School of Public Health and chair of the NAS Standing Committee on Emerging Infectious Diseases and Health Threats of the 21st Century.

"Currently available research supports the possibility that [coronavirus] is spread through bioaerosols generated directly by exhaling patients," the letter read.

The WHO released a report detailing how the coronavirus can be passed from one person to another. Even through the air during certain medical procedures and possibly through the air in crowded indoor spaces.

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