Live Coronavirus, Spain, today
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Why am I the only one who has not been infected in my house?
Can I get reinfected soon?
Wouldn't it be better if we all go through it at once?
Ómicron has arrived to change the pandemic paradigm and turn upside down many of the issues that we already took for granted.
In the midst of the sixth wave and in the face of the multiplication of infections, new doubts arise whose answers are not found in the official protocols.
We solve them, one by one.
Why is it sometimes possible for all members of the same family to test positive except for one, despite living together?
The immune response capacity against an infection depends on many factors, including genetics.
Studies have been published that show how there are people who could be more protected against the virus based on certain genetic polymorphisms.
There are also factors related to lifestyles that play an important role, such as diet, rest or physical exercise.
Finally, today we know that cross-immunity against other coronaviruses may be relevant.
In other words, the fact that a person has been exposed in the past to other “close cousin” coronaviruses, such as certain cold coronaviruses, can make them more protected today.
Once I have overcome the coronavirus, if any member of my family tests positive, can I be reinfected?
The most likely causes of testing positive twice in a short space of time could be infection with different variants (first delta and then omicron) or even that it was the same ongoing infection that had not really finished. However,
reinfection
is not impossible , even with the same omicron variant. Nor can it be ruled out that, even if we have overcome the infection, we are carriers and infect other people (the good news is that if this happened it would pass slightly). For this reason, people who have already finished their isolation and after the disease lead a "normal life" must
continue to maintain protective measures
in front of other people who test positive.
This is especially important if they are living together, since their exposure to the virus is greater than with a specific "close contact".
If after the seventh day of isolation the antigen test is still positive, should I go outside?
If the person has enough viral load for the antigen test to be positive, contagion is not impossible.
The ideal is to maintain isolation until the test is negative (preferably two negative tests on consecutive days).
The case of a positive PCR at the end of the isolation is different since, depending on the number of cycles, the viral load may not be enough to infect.
Do I need to take the third dose if I just had the coronavirus at Christmas?
Elderly people or people at risk should take the third dose or booster without a doubt. Young and healthy people, fully vaccinated, who have been infected in recent weeks right now can rest easy, since they have what is known as
"hybrid immunity"
.
This, although it sounds like a Marvel movie, means that not only do they have antibodies against the Spike protein that are generated thanks to vaccines, but they also have antibodies against other structures of the virus that have been generated by natural infection. coming into direct contact with the bug.
These people are protected for now and should not run out to get vaccinated for the third dose.
However, as it is unknown how long this protection lasts, health authorities recommend that people who have recently had the infection also get the third dose after four weeks.
What happens if I change my vaccine with the third dose?
Can anything bad happen from "mixing"?
Everyone should be calm with the booster that has been lucky for them, even if the brand is different from their previous shots.
Studies have been carried out on the combination of vaccines, specifically we have studies in which 14 different combinations of vaccines have been tested and, except for one in which Valneva was used, a French vaccine that is not administered in Spain, in all of them It has been shown that with the different combinations the antibodies increase and there are no more side effects.
Is it known which is the most effective combination of vaccines?
As we mentioned, all the combinations that are currently administered in Spain have proven their efficacy and safety, so we are fortunate to have this booster (especially people at risk who are the ones who need it most).
As a curiosity, it has been observed that two doses of AstraZeneca followed by a booster from Pfizer or Moderna is the "winning horse" combination that has managed to increase antibodies the most.
It's funny how the "ugly duckling" (AstraZeneca) can turn into a swan at the end...
What happens if you have COVID-19 and get vaccinated without knowing it?
If a person is vaccinated while they are suffering from the infection, their immune system may overreact more.
If there is suspicion of disease because symptoms are present or it is a narrow case, it is recommended to delay vaccination.
Bearing in mind that omicron is presenting mildly in most patients and that "hybrid immunity" is more complete... wouldn't it be better if we all got infected and that's it?
In some homes where the coronavirus is currently entering, there are those who are considering dispensing with isolation and "spending it all together".
Actually, playing "catch the bug" is never a good idea.
The best strategy is to protect ourselves with vaccines so that, in case we get infected, we suffer from the disease in the mildest way possible.
Why?
The reason is that the course of a natural infection is always unpredictable.
Depending on the factors mentioned in the first question (genetics, state of our immune system, etc.) the infection can get out of hand and we are not exempt from suffering consequences.
Imagine the case of a "healthy and athletic" person who is beginning to develop a serious illness, although he has not yet shown his face.
That person appears to be healthy, but, unknown to him, his immune system is not in top shape.
The infection could get complicated and have a fatal outcome, apparently for no reason.
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