Scientific Questions on COVID-19: Questions and Solutions


1. If HCP have a high-risk publicity inside Three months of their preliminary an infection to a affected person with SARS-CoV-2 an infection, ought to they be restricted from work for 14 days after the publicity?

CDC has posted steering addressing threat evaluation and work exclusion for HCP with potential publicity to SARS-CoV-2. On account of their typically in depth and shut contact with susceptible people, this steering recommends conservative administration of occupationally uncovered HCP.

Evaluation of presently out there proof suggests that the majority people don’t turn out to be re-infected inside Three months of decision of SARS-CoV-2 an infection. Re-infection has not been definitively recognized up to now. A number of research have documented persistent detection of virus utilizing PCR after restoration, some even with redevelopment or new signs. Nevertheless, individuals who had been newly symptomatic or examined constructive for SARS-CoV-2 after current decision of an acute an infection didn’t seem like infectious to others. Testing of asymptomatic people throughout this 3-month interval is sophisticated by the truth that some individuals have detectable virus from their prior an infection throughout this era; a constructive check throughout this era could extra doubtless end result from a previous an infection somewhat than a brand new an infection that poses threat for transmission. In gentle of this, uncovered HCP might proceed to work, whereas monitoring for improvement of signs. If signs develop, uncovered HCP must be assessed and probably examined for SARS-Cov-2, if an alternate etiology isn’t recognized. Some amenities may nonetheless select to institute work exclusion for HCP following a high-risk publicity.

2. If HCP inside Three months of their preliminary an infection develop signs in keeping with COVID-19, ought to they be excluded from work and retested?

HCP inside Three months of a confirmed SARS-CoV-2 an infection who develop signs in keeping with COVID-19 must be evaluated to determine potential different etiologies for his or her signs. If an alternate etiology for the signs can’t be recognized, they could have to be retested for SARS-CoV-2 an infection with the understanding {that a} constructive viral check might characterize residual viral particles from the earlier an infection, somewhat than new an infection. Choices concerning the want for and length of labor exclusion must be primarily based upon their suspected prognosis (e.g., influenza, SARS-CoV-2 an infection).

3. Do HCP inside Three months of their preliminary an infection have to put on all really helpful private protecting tools (PPE) when caring for sufferers with suspected or confirmed SARS-CoV-2 an infection? For instance, if there are restricted respirators, ought to respirators be prioritized for HCP who haven’t been beforehand contaminated?

No matter suspected or confirmed immunity, healthcare personnel ought to all the time put on all really helpful PPE when caring for sufferers. In conditions of PPE shortages, amenities ought to seek advice from CDC methods for optimizing PPE provide. Nevertheless, as with different infectious illnesses (e.g., measles), allocation of accessible PPE shouldn’t be primarily based on whether or not HCP have been beforehand contaminated or have proof of immunity.

4. Ought to HCP inside Three months of their preliminary an infection be preferentially assigned to look after sufferers with suspected or confirmed SARS-CoV-2 an infection?

Whereas people who’ve recovered from SARS-CoV-2 an infection may develop some protecting immunity, the length and extent of such immunity will not be identified. Staffing selections must be primarily based on regular facility practices. Any HCP assigned to look after sufferers with suspected or confirmed SARS-CoV-2 an infection, no matter historical past of an infection, ought to comply with all really helpful an infection prevention and management practices when offering care. Steering on mitigating employees shortages can be out there.

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