Three major forces are involved in nosocomial infections. The first is antimicrobial use in hospitals and long-term care facilities. The increased concern about gram-negative bacilli infections in the 1970s to 1980s led to increased use of cephalosporin antibiotics.
In its yellow-brown liquid form, sulfur mustard doesn't smell like anything; the characteristic sweet aroma develops only as it evaporates. In general, blister agents like mustard gas smell pretty good. Another blister agent developed around the time of the First World War, lewisite, smells intensely of geraniums. A blister agent called phosgene oxime has an unpleasant, irritating smellâbut with hints of freshly mown hay. The related diphosgene smells like anise. Blood agents, which incapacitate or destroy your blood cells, come in a variety of flavors.
A blister is a fluid-filled pocket within the epidermis (upper layer of the skin) or between the epidermis and dermis (lower layer of the skin). It can be caused by friction, burns, or some skin diseases.. a thin vesicle on the skin containing watery matter or serum, as from a burn or other injury. 2. any similar swelling, as an air bubble in a coat of paint. 3. a transparent dome on the fuselage of an airplane. 4. the plastic overlay of a blister pack.