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The Moneyist: Why do I’ve to put on a masks if I've had COVID-19? Who does it shield? Can I actually get contaminated once more?

Dear Moneyist,

Why do I have to wear a mask if I have already had COVID-19? I cannot infect anyone and I cannot be infected by anyone. Like everyone else, I hope the vaccine will increase infection rates and allow more people to go back to work. Who does it protect when I wear a mask? Can I get infected again?

LeRoy

The money is:My sister became my late father's power of attorney, took out a reverse mortgage on his house, and drained his equity. What can I do?

Dear LeRoy,

Yes you can. A recent study published in the New England Journal of Medicine concluded that UK health workers who tested positive for immunoglobulin G (IgG) antibodies were protected against the coronavirus for the next six months. Some people may become infected again afterwards, which is why health care professionals ask everyone to wear a mask.

“It is uncertain to what extent previously infected people are protected from a second infection. Understanding whether immunity persists after infection, how long it lasts, and how it can prevent symptomatic reinfection or reduce its severity has a significant impact on the SARS-CoV-2 pandemic, ”the study said. Some people may lose immunity more quickly.

Another reason: if one person does not wear a mask, it can create a domino effect that causes another person to relax their practice, and another and another. You may not know that you had the virus less than six months ago and it could lead to other people becoming infected. Masks also act as a deterrent against touching your face, reminding people that the pandemic is not over yet. (It's flu season too.)

Connected: "The attack rate is relatively high as there is no immunity to it." Why coronavirus should never be just another flu

The Centers for Disease Control and Prevention have said they are still assessing the risks of re-infection. Reinfection is relatively rare, but it has happened and the virus continues to spread and develop new mutations, some of which were more contagious than previous strains. If you want people to go back to work and the economy recover, wear a mask and practice social distancing.

William Haseltine, scientist, biotech entrepreneur and infectious disease expert, wrote for Project Syndicate: “We should assume that none of the vaccines under development will prevent infection or provide lifelong, permanent immunity. At best, they will limit the symptoms of those infected and minimize the number of COVID-19 cases that lead to serious illness. "

"China has shown that new infections can be cut in half in just two weeks through standard measures such as forced wearing of masks, social distancing, and mandatory quarantine and isolation," he added. "In contrast, national political leaders in countries like Brazil, the United Kingdom and the United States rejected the threat and hesitated to garner the appropriate response."

Wear your mask. Protect yourself and others.

The money is:My wife and I have 3 children. I also have 3 children from a previous marriage. How should we share our house among these 6 children?

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Quentin Fottrell is MarketWatch's Moneyist columnist. You can email The Moneyist at qfottrell@marketwatch.com with any financial or ethical questions. By emailing your questions, you consent to them being published anonymously on MarketWatch.

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