Many disinfectants, like household bleach, can create extensive organ damage in the gastrointestinal tract and throat if they are ingested in high amounts. Musgrave notes this is "incredibly painful and not pleasant." Exposure to vapors can cause lung injury. Injection of disinfectants can be particularly damaging -- as shown in a case study published in the journal Toxicology Observation in 2013 -- where a patient's blood cells were ripped apart by household bleach and a renal transplant was required.
The White House briefing Thursday also included the notion "sunlight impedes virus transmission" and Trump appeared to tout ultraviolet or "very powerful light" as a potential treatment option if it was brought "inside the body". The World Health Organization's current advice on UV light lamps is they "should not be used to sterilize hands or other areas of the skin." Ultraviolet light -- like that emitted by the sun and other sources -- is known to be damaging to the skin and is the cause for practically all skin cancers.
Both UV and disinfectants should only be used for cleaning surfaces.
"If you want to disinfect surfaces, ultraviolet is very good at disinfecting surfaces," says Musgrave, "and it's great to rub down the your benches and tabletops with 70% alcohol" before reiterating they are not meant to be ingested.
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