People with delta variants can be infected with the virus 2 days before symptoms

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• According to a new study by Nature, people with the Delta variant can be infected with the virus for almost two days before symptoms appear.
• Presymptomatic infections can account for nearly 75% of delta mutant infections.
• People who have been vaccinated against a rare “breakthrough” infection may be able to get the virus as easily as unvaccinated people because of the increased viral load.
• Experts claim that the vaccine remains the best tool available to control the spread of COVID-19 and protect people from serious illness, hospitalization and death.

People with a delta variant of the coronavirus may be able to infect the virus for almost two days before symptoms appear.

This change may be an important feature driving the latest surge in COVID-19 cases. New research Journal Nature suggests.

Presymptomatic infection was characteristic of previous coronavirus variants, but studies show that the gap between a positive test and the emotional system was only 0.8 days. In the delta variant, it is 1.8 days.

As a result, studies suggest that nearly three-quarters of delta infections occur in the presymptomatic stage.

“The Delta strain is more contagious because infected individuals carry and release more virus than previous versions,” he said. Dr. Stephen Ammon, Medical Director of COVID-19 Task Force, Dispatch Health, an on-demand healthcare service.

“Previous versions of COVID-19 were as contagious as common colds, but delta variants are more contagious than seasonal flu, polio, smallpox, Ebola, and bird flu. Infectious as chickenpox, “He added.

This increased transmission rate has made Delta a major variant worldwide.It explains above 90 percent Percentage of COVID-19 cases in the United States.

Vaccines are still very effective in preventing hospitalization and death from COVID-19, but studies show that people vaccinated with the coronavirus, the so-called “breakthrough infections,” are vaccinated. You may have as high a viral load as an individual who does not. Can spread the infection..

This is different from previous understanding of the efficacy of the COVID-19 vaccine.

“When the COVID-19 vaccines were first available, they demonstrated an excellent ability to prevent recipients from being infected with any form of COVID-19, which is asymptomatic vaccinated. And presymptomatic exposure has been significantly eliminated from the equation, “Ammon told Healthline.

“But the delta mutant may have developed the ability to partially evade the immunity provided by vaccination, which means that vaccination from the delta mutant is more than seen from previous versions of the virus. There are many breakthrough infections in the individual who receives it, “he said.

But that’s not all bad news.

Recent studies have shown the crucial importance of obtaining the COVID-19 vaccine for both personal health and limited infections.

“The fact that asymptomatic people spread the virus is not new information. We know that people will be infected for more than a year before symptoms appear,” he said. Dr. Jason Gallagher, Infectious Diseases Specialist and Infectious Diseases Clinical Pharmacy Specialist at Temple University Hospital, Philadelphia.

“But we are learning about this discovery very quickly. Two studies now show that viral RNA is reduced. More quickly It suggests that vaccinated people are less likely to infect others with the virus than unvaccinated people. “

These accumulated findings regained public health recommendations from the early days of the pandemic, with a rapid increase in the number of COVID-19 cases nationwide, while vaccination rates were delayed.

These include mask obligations in many cities and states, physical distance requirements, and one new wrinkle (immunization obligation).

“Everyone, whether vaccinated or not, must wear a mask while in public or crowded areas,” he said. Dr. Elizabeth BeatriceHe is an epidemiologist at the Massachusetts Public Health Service of the Community Health and Prevention Department and a Public Health and COVID-19 Advisor at Parenting Pod.

“This is if you are in an area high in COVID infection, if you live with an unvaccinated person, including children, an immunocompromised person, or someone who can be very ill if infected. This is especially true of the COVID infection, “she said.

“There was a lot of news about’breakthrough infections’ among vaccinated people, but unvaccinated people continue to see them becoming very ill, hospitalized, and dying. “Beatrice said.

“Vaccination is the key to protecting yourself.”

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