The C.D.C. needs to set air guidelines now for workplaces, scientists say.

The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.
The C.D.C. needs to set air guidelines now for workplaces, scientists say.

By BY APOORVA MANDAVILLI from NYT Health https://ift.tt/2ZqJrCz
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