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Home / Health / CDC research found that the household spread of Covid-19 is widespread and rapid

CDC research found that the household spread of Covid-19 is widespread and rapid



The research team led by the Centers for Disease Control and Prevention wrote: “Because rapid quarantine of COVID-19 can reduce family transmission, people suspected of having COVID-19 should be quarantined, stay at home, and use alone if feasible. Bedroom and bathroom.” Researcher.

The team said that in addition, all family members should always wear masks in public places.

The study is part of an ongoing study by the CDC, Then between April and September, 101 people were initially infected with Covid-19 in Nashville, Tennessee and Marshfield, Wisconsin.

This scanning electron microscope image shows that SARS-CoV-2 (a virus that causes Covid-1[ads1]9) was isolated from a patient in the United States. This virus emerged from the surface of cells grown in the laboratory.

The infected person was trained in self-sampling specimens-nasal swabs only or nasal swabs and saliva samples-along with approximately 191 other households. In addition, everyone should complete a symptom diary.

The infection is fast: Researchers have found that more than half (53%) of those fighting Covid-19 were infected within a week. Approximately 75% of these secondary infections occur within five days of the initial patient’s first symptoms.

The researchers said: “Regardless of whether the index patient is an adult or a child, a large amount of transmission has occurred.”

According to the study, the household infection rate is 53%, higher than the record so far. So far, relevant studies have only reported an infection rate of 20% to 40%.

The CDC report shows that even children with no symptoms can spread Covid-19

The study authors wrote: “The important finding of this study is that less than half of the family members diagnosed with SARS-CoV-2 infection reported the symptoms when the infection was first discovered.”

“Many people did not report any symptoms during the 7-day follow-up, emphasizing the possibility of asymptomatic secondary contact transmission and the importance of isolation.”

Isolate yourself or your loved ones

Staying isolated from other family members can be challenging, especially if your space is small or you have children at home.

Pediatrician Dr. Tanya Altmann said: “If someone in your family is older or has a weakened immune system, you may want to isolate them on the side of the house so that the children and other people will not be around them often.” American Pediatrics The dean of the society wrote in a previous interview: “Take care of your babies: the birth and magical years of children under 5 years of age.”
US Centers for Disease Control and Prevention (CDC) research found that coronavirus rarely kills children, but a small number of people are at higher risk

She added: “If you are caring for a child, then you may have to decide to isolate an adult from the child.” “That adult will take care of the child, and the other adult will be responsible for the other families.”

Of course, for single parents “may be the only parents,” all of this will be very difficult, the American Academy of Pediatrics spokesperson pediatrician Dr. Jenny Radsky said in the last interview.

Radsky, an assistant professor of pediatrics at the University of Michigan, said: “Know who your neighbor is, and even what your neighborhood social network might be.” “You may not have such close relationships, but someone may be willing to go to the grocery store to get off. , Or buy medicine because we are together.”

Radsky added that other families should also be isolated.

She said: “Unfortunately, you need to isolate the entire family.” “The spread of Covid-19 shows that a group of people living together are at the highest risk of getting sick with each other. If the children are part of the family, they The symptoms may be small, but still contagious.”

What you need to do for this season's Covid-19 surge

If you live alone, your challenge is to monitor your symptoms and take care of yourself when you are unwell. Make sure to make a plan to deliver food and medicine to your home, and find someone who is responsible for regular virtual inspections of you.

Inventory or ask relatives to provide all relevant entertainment for the room: TV, computer, iPad, books, and even games that can be played through FaceTime or Skype.

Supply list

Please do not hesitate to order online or ask loved ones to provide basic supplies:

  • A working thermometer that can monitor fever at 100 degrees Celsius (37.7 degrees Celsius) and its cleaning method, such as isopropyl alcohol
  • Medicines to reduce fever, such as acetaminophen
  • A box of rubber or latex disposable gloves and masks
  • 60-day or 90-day supply of essential prescription drugs
  • Ordinary soap and 70% alcohol-based hand sanitizer (antibacterial soap is not needed if you wash it correctly, then you will not contribute to the growing number of drug-resistant super bacteria in the world)
  • Covers sneezing and coughing tissue.But there is actually no need to hoard toilet paper-this is a respiratory disease
  • Regular cleaning supplies, kitchen cleaning gloves and trash can lining
  • Disinfecting and cleaning supplies-CDC recommends choosing from a list that meets the US Environmental Protection Agency’s antivirus standards, but you can also make your own version using 1/3 cup of unused bleach per gallon of water or 4 teaspoons per quart of bleach Agent.Never mix bleach with ammonia or any other cleaning agents-it will produce toxic gas

Cover and disinfect

If you are sick, the CDC will tell you to use a mask around other people, such as when you go to a doctor or hospital.

The CDC says that unless you or your loved one has difficulty breathing or “unconsciousness, incapacity or unable to take off the mask without help”, try to keep it at home.
The report found that due to the pandemic, parents and other caregivers are under greater pressure and health conditions are worse

Altmann emphasized to maximize isolation and protection.

“You can ask a healthy person to give the patient a food and drink at the door, and then wash his hands,” Altman explained. “Put on gloves and pick up empty dishes, take them back to the kitchen, wash them with soap or preferably hot water in the dishwasher, and then wash your hands again.”

The Centers for Disease Control and Prevention says not to share drinking glasses, cups, forks or other eating utensils or tableware. Do not share towels or bedding with other people in the house. When washing clothes, do not shake the patient’s dirty clothes to “minimize the possibility of spreading the virus through the air.”

The CDC says that nursing staff should wear disposable gloves when handling dirty clothes and throw them away after each use.

The CDC recommends: “If you use reusable gloves, these gloves should be used exclusively for cleaning and disinfecting the surface of Covid-19 and not for other household purposes. Hands should be cleaned immediately after taking off the gloves.”

The CDC said the lined trash can is used for any tissues, other papers or disposable products used by patients, adding that caregivers “should wear gloves when removing trash bags, handling and disposing of trash. In Wash your hands after handling or disposing of garbage.”

Remember: if you or your loved ones have any of the following symptoms, please call 911 immediately: difficulty breathing or shortness of breath or sudden; persistent chest pain or pressure; and any signs of hypoxia, such as new confusion, lips or The face turns blue, or you cannot wake the sick person.

Dr. Patrice Harris, president of the American Medical Association, said that although these are key red flags, this is not an exhaustive list. Please call if you have any questions.

Harris said: “If symptoms do not improve or worsen, you should call your healthcare provider, emergency care or emergency department.” “If the shortness of breath is severe, please call 911 immediately.”

Prevent others from getting sick

What needs to be clear is that after a positive Covid-19 diagnosis, everyone in the house needs to isolate as much as possible from the outside world.

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Radsky said: “I recommend family members find friends who can lay down their necessities or medications, not go to work, not play with other children, or even be outside.”

“If you don’t have a friend who can put down groceries or essentials, please check if your local store can provide you with these items-I believe they will be happy that there is no potential Covid-19 exposure in their store.” she added.

If a family member with no symptoms considers going to the grocery store, pharmacy, or checking on family members absolutely necessary, please be aware that you are easily infected and anything you touch can spread the virus-even if there are no symptoms.

Radsky said: “I urge people not to do this.” “Our way to fight this virus is to reduce the number of times each infected person transmits the virus to another. So you can do more work. Stop the spread of this virus-in other words, your family will not provide it to anyone else, and you will not bring it to your workplace or local store-we will complete this work as soon as possible!”

In order to reduce the spread of the virus within the home, if the weather permits, please try to maintain air circulation, and open windows or doors with screens to maintain air circulation in other parts of the home. You can also add air filtration equipment at home.

The CDC said: “Improved ventilation can help remove respiratory droplets from the air.”

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Let everyone seize the opportunity. Clean and disinfect all common surfaces-don’t forget refrigerator and microwave handles!

Keep everyone as stress-free as possible (this is definitely a daunting task), and focus on healthy eating, regular exercise and quality sleep.

Even if there is no indication that pets can give or get Covid-19, CDC recommends that pets stay away from people who are sick.

The CDC said: “Because animals can spread other diseases to people, it’s always a good idea to develop healthy habits around pets and other animals.” “If you have to take care of pets or be around animals when you are sick, please Wash your hands before and after interacting with pets.”

When will your home isolation end?

If you test positive but No symptoms, The CDC says you can stop quarantining at home 10 days after the positive test.

For those with symptoms, the CDC says that you can be with other people in the following situations:

  • 10 days or more since symptoms first appeared
  • And you have not had a fever for 24 hours without using anti-fever medicine
  • And other symptoms of COVID-19 are improving

The CDC said: “A limited number of seriously ill patients may produce a virus capable of replication after 10 days. This may require the duration of isolation and preventive measures to be extended to 20 days after the onset of symptoms.” The agency said, Consider consulting with infection control experts.

The CDC points out that the taste and smell after recovery will last for weeks or even months, but this does not mean that you need to stay in isolation.

However, according to the CDC, if your immune system is severely weakened or more severely contracted by Covid-19, such as hospital admission and the need for oxygen-the rules will change:

The Centers for Disease Control and Prevention said: “Your healthcare provider may advise you to isolate yourself for more than 10 days after symptoms first appear (possibly up to 20 days).”

“People with severely weakened immune systems may need to be tested to determine when they can be with others. Please contact your healthcare provider for more information.”

This is a terrible time, but hope that these techniques will help reduce your anxiety and prepare you and your family for the worst, while hoping and working for the best.


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