1) In "Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1", authors show that ... (pick all correct answers) Select one or more: a) On plastic, no viable SARS-CoV-2 was measured a

1) In “Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1”, authors show that … (pick all correct answers) Select one or more: a) On plastic, no viable SARS-CoV-2 was measured a

Full Question:

1) In “Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1”, authors show that … (pick all correct answers)Select one or more:

a) On plastic, no viable SARS-CoV-2 was measured after 24 hours.b) SARS-CoV-1 has a higher infectious titer than SARS-CoV-2 in aerosol.

c) On stainless steel, no viable SARS-CoV-2 was measured after 4 hours.d) SARS-CoV-2 has a higher infectious titer than SARS-CoV-1 in aerosol.e) On cardboard, no viable SARS-CoV-2 was measured after 24 hours.

2) SARS-CoV-2 is the first coronavirus known to originate from bats.Select one: True/ False

3) SARS-CoV-1 and SARS-CoV-2 are each other’s closest relatives and there are no other known viruses more closely related to either of these viruses currently known.Select one: True/ False

4) According to Asadi et al., which types of ‘masks’ performed the best for limiting rate emission of particles during coughing (statistically speaking)? Click all correct answers if two treatments are statistically indistinguishable.

a. KN95

b. surgical masks

c. unwashed double-layer cotton t-shirt

d. single-layer paper towel

e. unwashed single-layer cotton t-shirt

5) According to some studies summarized in the review paper, plexiglass shields… (can choose one or more answer)a. are essential for protecting people outdoors.

b. protect transmission of aerosol that can linger in air.

c. impede airflow and could lead to lower ventilation in a room.

d. protect transmission via large droplets (non-aerosol).

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