Accountable Healthcare - COVID-19: When Caregivers Come Home to Their Families
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April 6, 2020

COVID-19: When Caregivers Come Home to Their Families

Amidst heightened concerns from healthcare workers about how to best prevent the spread of the SARS-CoV-2 virus, which causes COVID-19, to their families, experts advise taking reasonable precautions but to also consider what is known about transmission.

With many documented cases of community spread, the virus has undoubtedly shown successful human-to-human transmission. Early research shows the rate of reproduction (R0), the average number of people an infected individual is likely to pass the virus on to, is estimated to be between 2 and 2.5. Of course, virulence can vary based on several factors, including location, age, local public health response and more. SARS-CoV-2 is believed to be both more infectious and demonstrate a higher case-fatality rate than the seasonal flu, but less so than other modern infectious disease outbreaks, such as SARS and MERS.

Public health strategies still apply

Steven Gordon, MD, Chair of Infectious Disease, Respiratory Institute at Cleveland Clinic, says the same public health efforts designed to “flatten the curve,” including practicing cough etiquette and hand hygiene, are also good strategies for limiting household transmission.

Isolation, however, which is recommended if a caregiver, or any individual, is symptomatic for COVID-19, does pose obvious challenges within households.

“Isolation requires a mask, not sharing air space and keeping a 6-foot distance with the people you live with,” says Dr. Gordon. More specifically, he recommends the following:

  • If space allows, the sick family member should stay in a separate room and use a separate bathroom to minimize contact with healthy family members.
  • Shared spaces should have good airflow (open windows, fan or air conditioner) and you should not allow any visitors except those who need to be in house.
  • The patient infected with COVID-19 should wear a face mask (or bandana) when he or she is around others.

“This isn’t possible in every household, and certainly these situations need to be assessed individually depending on the family and/or other individuals living in the home.” Whether or not a caregiver has tested positive for COVID-19, isolation should begin at the onset of symptoms, which is believed to be the apex of the viral load.

What do we know about household transmission?

Scientists are still working to understand household transmission of SARS-CoV-2. In early March, scientists from the Centers for Disease Control and Prevention reported that after following close contacts of 10 patients infected with COVID-19, (n = 445), two individuals, both of whom were household members of an infected patient, tested positive for the disease.In this particular study, the secondary attack rate was about 10.5%. In both cases, the patient with secondary transmission confirmed close contact with the source patient before their initial diagnosis.

How to kill the virus

Structurally, the virus is enveloped with a plasma membrane, a semi-permeable exterior, making soap (or other detergents) and water effective tools to kill the virus. Primarily spread through respiratory droplets, transmission is also mitigated through social distancing. Early research demonstrates that similarly to SARS-CoV-1, the virus’s survival varies based on the surface. Findings showed that the virus can survive on plastic and stainless-steel surfaces for up to 72 hours, while survival on cardboard was closer to 24 hours and up to four hours on copper surfaces.

Taking precautions

“Right now, there are not any data to suggest the viability of the virus on fabrics, such as scrubs and shoes, but still it’s a good practice to take precautions to minimize the possibility of taking this particular virus — or any other respiratory viruses — home with you,” says Dr. Gordon.

Caregivers may consider frequently disinfecting scrubs, white coats, jewelry and badges and bringing an extra set of clothes to change into before entering your home.

He continues, “It’s certainly prudent to take precautions to prevent community and household transmission, while also keeping in mind the scientific community is actively investigating this virus, and there is still much we just don’t know yet.”

Original Article from Cleveland Clinic