What are the covid incubation times?


Application for: Selvaggia Esposito | Last updated: December 24, 2021

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It is the period of time that elapses between the infection and the development of clinical symptoms. Recent evidence provided by the European Center for Disease Prevention and Control (ECDC) on the incubation period of the virus delimits the period between 2 and 12 days, up to a maximum of 14 days.

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How is the new coronavirus transmitted from person to person?

Current evidence suggests that SARS-CoV-2 spreads among people: directly, indirectly (through contaminated objects or surfaces) by close contact with infected people through mouth and nose secretions (saliva, respiratory secretions or droplet droplets).

When is a person with COVID-19 contagious?

The infectious period may begin a day or two before symptoms appear, but people are likely to be more contagious during the symptomatic period, even if the symptoms are mild and very nonspecific. The infectious period is estimated to last from 8 to 10 days in moderate cases and on average up to two weeks in severe cases.

How long does the COVID-19 incubation period last?

The incubation period for COVID-19 (i.e. the time between exposure to the virus and the onset of symptoms) is currently estimated to be between one and 14 days.

What are some symptoms of COVID-19?

Sudden loss of smell (anosmia) or decreased sense of smell (hyposmia), loss of taste (ageusia) or altered taste (dysgeusia) have been recognized as symptoms of COVID-19. Other less specific symptoms may include headache, chills, myalgia, asthenia, vomiting and / or diarrhea.

Find 27 related questions

Does Vitamin D Protect Against New Coronavirus Infection?

There is currently no scientific evidence that vitamin D plays a role in protecting against new coronavirus infection.

Is the new coronavirus comparable to the seasonal flu virus?

No, the viruses that cause both COVID-19 and seasonal flu are passed from person to person and can cause similar symptoms, but the two viruses are very different and do not behave in the same way.

ECDC (the European Center for Disease Control) estimates that between 15,000 and 75,000 people die prematurely from complications of seasonal flu each year in the EU, UK, Norway, Iceland and Liechtenstein. This is about 1 in 1,000 people who are infected. Although the mortality rate from seasonal flu is relatively low, many people die from flu because a large number of people contract the disease every year.

Is a quick test enough to make a diagnosis of COVID-19?

Rapid tests are not configured as diagnostic tests, but as screening tests, the preliminary positive result of which must be confirmed with the traditional method on blood sampling.

Can donated blood transmit the coronavirus?

No, there is no scientific evidence that proves the transfusion transmission of Covid-19. Furthermore, viruses belonging to the same family as Sars and Mers have never been transmitted with blood.

Can coronavirus disease be contracted from a symptom-free (asymptomatic) case?

Yes, infected people can transmit the virus both when they have symptoms and when they are asymptomatic. That is why it is important that all sick people are identified by tests, isolated and, depending on the severity of their disease, receive medical treatment.

How can coronavirus be killed?

The use of simple disinfectants can kill the virus by nullifying its ability to infect people, for example disinfectants containing 75% alcohol (ethanol) or 0.5% chlorine based (bleach).

Who can I call after contact with COVID-19 positive people?

You can call the free public utility number 1500 of the ministry or the toll-free number of the Italian Red Cross 800.065.510 activated for assistance to frail people. The operators also respond for information on the correct behaviors to be respected and the procedure to follow in case of close contact with positive subjects. The requests include the intervention of doctors for initial telephone assistance and for the activation of hospital structures.

Also contact the toll-free number of your region: Regional toll-free numbers

When should a mask be worn during the COVID-19 pandemic?

It is mandatory to always have masks with you. These must be worn:

  • in indoor places other than private homes
  • in healthcare environments according to existing protocols
  • in all means of public transport

Starting from June 28, in the white zone regions, it is no longer mandatory to wear masks in outdoor places, except in contexts in which the conditions for a gathering are created (eg: markets, fairs, queues, etc. …)

How is COVID-19 eliminated from surfaces?

The use of simple disinfectants can kill the virus by nullifying its ability to infect people, for example disinfectants containing 75% alcohol (ethanol) or 0.5% chlorine based (bleach).

How is “close contact” defined in the case of the coronavirus?

The “close contact” (high risk exposure) of a probable or confirmed case is defined as:

a person living in the same home as a COVID-19 case
a person who has had direct physical contact with a COVID-19 case (e.g. handshake)
a person who has had unprotected direct contact with secretions from a COVID19 case (e.g. touching used paper handkerchiefs with bare hands)
a person who has had direct (face-to-face) contact with a COVID-19 case, at a distance of less than 2 meters and at least 15 minutes
a person who has been in an enclosed environment (e.g. classroom, meeting room, hospital waiting room) with a COVID-19 case in the absence of suitable PPE
a healthcare worker or other person providing direct assistance to a COVID-19 case or laboratory personnel handling samples of a COVID-19 case without the use of recommended PPE or through the use of unsuitable PPE
a person who traveled seated by train, plane or any other means of transportation within two seats in any direction relative to a COVID-19 case; the travel companions and the staff assigned to the section of the plane / train where the index case was sitting are also close contacts

How to know if the email I received about a COVID-19 case on the means of transport I traveled on is authentic?

The communication to the passenger can take place, depending on the data and resources available, by telephone call or by sending an e-mail message, in which information is provided on the behavior and preventive measures to be adopted for the quarantine period, up to the taking of charged by the Prevention Department of the local health authority (ASL) competent for the area.

For the continuation of public health activities some data will be requested, such as the current address and telephone number.

Data such as passwords, iban, bank details or credit card numbers are NEVER requested.

For further information, you can contact the Ministry of Health on the free public utility number 1500 (active 24 hours a day, every day).

Are children also at risk of infection and what is their potential role in transmitting the virus?

Children are often asymptomatic or have mild symptoms of COVID-19 and have a much lower risk than adults of developing severe forms of the disease. However, infection in some cases can lead to the development of complications or peculiar clinical forms. This is why a lot of attention must still be paid when children show symptoms of infection, especially if they are less than one year old and in the presence of pre-existing pathological conditions.
The ability of predominantly asymptomatic children to transmit SARS-CoV-2 compared to adults is not yet known.

To learn more Page Covid-19 – Children

Can surgical masks protect against coronavirus?

The use of the mask helps to limit the spread of the virus but must be adopted in addition to other respiratory and hand hygiene measures. It is not useful to wear multiple overlapping masks. The rational use of masks is important to avoid unnecessary waste of precious resources.

In case of symptoms or doubts about COVID-19 who can I contact?

In case of symptoms or doubts, stay at home, do not go to the emergency room or doctor’s offices but call your family doctor, pediatrician or doctor on the phone. Or call the regional toll-free number.

What to do if you suspect you have COVID-19?

Contact 112 or 118 only if strictly necessary. In case of symptoms or doubts, stay at home, do not go to the emergency room or doctor’s offices but call your family doctor, pediatrician or doctor on the phone.

What’s the difference between quarantine, active surveillance, and isolation in the case of COVID-19?

Quarantine and isolation are important public health measures implemented to avoid the occurrence of further secondary cases due to transmission of SARS-CoV-2 and to avoid overloading the hospital system.

Quarantine takes place on a healthy person (close contact) who has been exposed to a COVID-19 case, with the aim of monitoring symptoms and ensuring early identification of cases.

Isolation consists of separating people with COVID-19 from healthy people as much as possible in order to prevent the spread of the infection, during the transmissibility period.

Active surveillance is a measure during which the public health worker contacts the person under surveillance on a daily basis for information on health conditions.

What must be done after the COVID-19 quarantine is completed to return to work?

At the end of the quarantine period, if no symptoms have appeared, the person can return to work and the period of absence is covered by the certificate.

If during the quarantine period the person develops symptoms, the Department of Public Health, which deals with health surveillance, will carry out the swab for the search for SARS-CoV-2. In the event of a positive outcome, it will be necessary to wait for clinical recovery and perform a molecular test after at least 3 days without symptoms. If the molecular test is negative, the person will be able to return to work, otherwise the isolation will continue.

Am I protected from COVID-19 if I got the flu shot this year?

The flu and the virus that causes COVID-19 are two different viruses, and the seasonal flu vaccine does not protect against COVID-19.
Influenza vaccination is strongly recommended because it makes the differential diagnosis (i.e. the distinction between the two infections) easier and faster, leading to the earlier isolation of any coronavirus cases.

Are some people more at risk than others for COVID-19?

Older people over the age of 60 and those with pre-existing conditions, such as high blood pressure, heart problems, diabetes, chronic respiratory disease, cancer, and immunosuppressed patients (by congenital or acquired disease, transplanted or treated with immunosuppressive drugs) are more likely to develop severe forms of the disease. Men in these groups also appear to be at slightly greater risk than women.

To know more

What is the correlation between ambient temperatures and virus survival?

In general, the resistance of the virus in the environment is linked to the temperature and the pH of the medium in which it is found. High temperatures render the virus rapidly inactive while at low temperatures the virus survives longer.


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