Chronic pulmonary disease or immunosuppression may increase a person's susceptibility to inhalation anthrax
Whereas oral minimum ID50 dose estimates in humans or animal models range up to 1011 spores, the infectious dose by any route at which a small proportion of the population will be infected is much lower; for inhalation anthrax
the ID2 might be as low as nine to 2,300 spores (8,9).
In an inhalation anthrax
attack, people may not know they are infected with anthrax until the toxins already are circulating in their blood, and it may be too late for antibiotics alone to be effective.
The Postal Service's decision to wait to close the Brentwood facility and refer employees for medical treatment until CDC confirmed that a postal employee had contracted inhalation anthrax
was consistent with the advice the Postal Service received from public health advisers and the information about health risk available at the time.
Case-fatality rates for inhalation anthrax
are high, even with appropriate antibiotics and supportive care.
Originally approved for a six-shot, eighteen-month protocol, the vaccine is intended to treat cutaneous (through the skin) anthrax, but has never been tested for inhalation anthrax
, which is the most deadly form and the most likely to occur in a combat situation.
Further testing revealed he had inhalation anthrax
Initial symptoms of inhalation anthrax
may resemble the common cold," Kelsey said.
For years afterwards, "Meselson said what had caused the outbreak was still unclear" even after a pathologist on his own investigation team had documented from autopsy slides that victims of the Sverdlovsk outbreak had died from inhalation anthrax
and not by consuming tainted meat.
Two patients diagnosed with inhalation anthrax
, once thought to be practically 100 percent fatal, walked out of the hospital.
Even one of the two postal workers who died of inhalation anthrax
following the Sept.
Anthrax] used to be 89% fatal, and now we've had two people who developed inhalation anthrax
and survived," Bell says.