The aim of such research is not, however, to encourage the use of gas masks when unloading the washing.

ECONOMIST: Indoor pollution

The United Kingdom's Health Protection Agency also told CNN that the use of face masks was not necessary or recommended for protection against the swine flu virus.

CNN: Masks keep you from spreading illness

Translated to interiors, this means extensive use of quirky antiques like masks and vases, set against what Mr. Pellizzoni calls "soft furniture" mesh chandeliers and curvy seating fixtures in luxurious materials like leather and suede, against a backdrop of warm colors such as beiges and browns.

WSJ: How Maurizio Pellizzoni Is Bringing Warmth to London

In 2003, during the severe acute respiratory syndrome epidemic, 76 percent of Hong Kong residents wore simple masks, and in this case, mask use was associated with a lower incidence of SARS, as well as upper respiratory tract infections and influenza.

CNN: Commentary: Flu and your health on a plane