A German study published last year, and published in a detailed report on Al-Jazeera Net, had found that the bodies of some Corona virus victims may remain infectious for a period of up to a week after death.
In today’s report, we’ll cover new studies published this year.
We start with a study published inInternational Journal of Infectious Diseases(International Journal of Infectious Diseases) last May, researchers performed an autopsy on the body of a person who died of Covid-19 one month ago, at the Institute of Forensic Medicine at the University of Siena in Italy.
The researchers found the Corona genome in the body of the deceased, and there were genomic traces in the lungs and heart.
On the other hand, the researchers said that the virus was not alive in the body. They explained that infectious risks from human corpses must be considered for pathologists, technicians in autopsy rooms and people who come in contact with corpses during funeral and burial preparation rituals.
Resist harsh conditions
We turn to the second study, which was also conducted by researchers from Italy, and was published in “Journal of forensic sciences, medicine and pathology(Forensic Science, Medicine and Pathology) also last May.
The researchers found that the Corona virus – its scientific name “SARS-CoV-2” – was able to live in multiple cadaver tissues after several days of death, despite some harsh conditions in which the body was preserved after death.
The researchers autopsied 5 bodies at Bari Hospital of people who had died of Covid-19.
The time between the moment of death and the autopsy ranged between 22 and 27 days. During this period, the bodies were kept for a period of 20-25 days in the refrigerator at minus 15 degrees Celsius. One body was also buried for 5 days before being placed in the refrigerator.
The researchers said, “The results of our study show that the personal protection of the examiners and the disinfection of the autopsy rooms, surrounding places and instruments should be taken seriously, to avoid infection of the examiners with the virus due to insufficient protection or careless operation.”
They added that since the remains of patients who died of COVID-19 may carry a large amount of the virus, preventing relatives of the deceased from reaching the body and speeding up burial procedures is fully justified.
The researchers found that Covid-19 infection is characterized by being distributed to many organs in the body.
The researchers said that the presence of the Corona virus even after a long period of death and also in bodies that were subjected to burial, cooling or one of the two things is an unusual result, which indicates the high resistance of this virus to “uncomfortable” environmental conditions.
We move on to the third study, which is a research review he published.National Cooperative Center for Environmental Health(National Collaborating Center for Environmental Health) in Canada, last February.
The research review said that several studies had reported the detection of coronavirus ‘viral RNA’ (RNA) in cadavers. The presence of viral RNA does not necessarily indicate the presence of an infectious virus.
The research review added that viral RNA has been shown to diminish over time, but may continue to be detected after viral particles stop infecting.
She said that the RNA of the Corona virus was discovered after death – several days – on the eyes, nose, mouth, tissue around the teeth, and the respiratory system including the nasopharynx, throat, lungs, body tissues and other fluids.
The research reference said that the increasing scientific literature on the presence of the viral RNA of the Corona virus in or on the body of the dead indicates that the virus may be present in a wide range of body tissues and fluids, and it can be detected over periods extending from several hours to days after death.
The detection of viral RNA does not necessarily imply a risk of transmission leading to infection, but it does provide an indication of which tissues and fluids may pose a risk. Further study is needed to understand the presence and duration of the virus in different tissues and fluids, as well as the potential for indirect transmission.
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