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RE: They are not disputed at all - let alone
Posted on: July 11, 2020 at 22:17:08 CT
90Tiger STL
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Use of Masks and Personal
Protective Equipment
Masks and other personal protective equipment (PPE)
are essential for controlling transmission of influenza in
hospitals. For people who work in hospitals, current CDC
guidelines for influenza infection control recommend
droplet precautions, including the use of surgical masks.
But HHS planning guidelines also rightly acknowledge that
the uncertainties regarding the potential of virus transmission at the start of a new pandemic would recommend that
airborne precautions be used in hospitals—that is, N95
masks (already in short supply)7 or powered air purifying
respirators (PAPRs).10 Patients would be advised to wear
surgical masks to diminish the number of infectious respiratory particles being dispersed into the air, thereby diminishing the likelihood of further spread.55
In Asia during the SARS period, many people in the
affected communities wore surgical masks when in public. But studies have shown that the ordinary surgical
mask does little to prevent inhalation of small droplets
bearing influenza virus.56 The pores in the mask become
blocked by moisture from breathing, and the air stream
simply diverts around the mask. There are few data available to support the efficacy of N95 or surgical masks outside a healthcare setting. N95 masks need to be fit-tested
to be efficacious and are uncomfortable to wear for more
than an hour or two.55,57 More important, the supplies of
such masks are too limited to even ensure that hospitals
will have necessary reserves.5
Source:
BIOSECURITY AND BIOTERRORISM: BIODEFENSE STRATEGY, PRACTICE, AND SCIENCE
Volume 4, Number 4, 2006
© Mary Ann Liebert, Inc.
Disease Mitigation Measures in the Control
of Pandemic Influenza
THOMAS V. INGLESBY, JENNIFER B. NUZZO, TARA O’TOOLE, and D. A. HENDERSON
Edited by 90Tiger at 22:18:08 on 07/11/20
Protective Equipment
Masks and other personal protective equipment (PPE)
are essential for controlling transmission of influenza in
hospitals. For people who work in hospitals, current CDC
guidelines for influenza infection control recommend
droplet precautions, including the use of surgical masks.
But HHS planning guidelines also rightly acknowledge that
the uncertainties regarding the potential of virus transmission at the start of a new pandemic would recommend that
airborne precautions be used in hospitals—that is, N95
masks (already in short supply)7 or powered air purifying
respirators (PAPRs).10 Patients would be advised to wear
surgical masks to diminish the number of infectious respiratory particles being dispersed into the air, thereby diminishing the likelihood of further spread.55
In Asia during the SARS period, many people in the
affected communities wore surgical masks when in public. But studies have shown that the ordinary surgical
mask does little to prevent inhalation of small droplets
bearing influenza virus.56 The pores in the mask become
blocked by moisture from breathing, and the air stream
simply diverts around the mask. There are few data available to support the efficacy of N95 or surgical masks outside a healthcare setting. N95 masks need to be fit-tested
to be efficacious and are uncomfortable to wear for more
than an hour or two.55,57 More important, the supplies of
such masks are too limited to even ensure that hospitals
will have necessary reserves.5
Source:
BIOSECURITY AND BIOTERRORISM: BIODEFENSE STRATEGY, PRACTICE, AND SCIENCE
Volume 4, Number 4, 2006
© Mary Ann Liebert, Inc.
Disease Mitigation Measures in the Control
of Pandemic Influenza
THOMAS V. INGLESBY, JENNIFER B. NUZZO, TARA O’TOOLE, and D. A. HENDERSON
Edited by 90Tiger at 22:18:08 on 07/11/20
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RE: They are not disputed at all - let alone - 90Tiger STL - 7/11 22:17:08