An (anthrax threat) may pertain-to a nation.Logical formLearned from6 sentences. (Anthrax exposures) may be motivated by terrorism.Logical formLearned from6 sentences. Someone may inhale anthrax.Logical formLearned from6 sentences. Scientists may examine an anthrax.Logical formLearned from6 sentences. Panic can be about (anthrax attacks).Logical formLearned from6 sentences. Letters may carry anthrax.Logical formLearned from6 sentences. (Anthrax swabbings) may look worse.Logical formLearned from6 sentences. Anthrax can be in a US-city.Logical formLearned from6 sentences. A vaccine can be for anthrax.Logical formLearned from6 sentences. A nose can be for (anthrax spores).Logical formLearned from6 sentences. (Anthrax spores) may get into a (ventilation system).Logical formLearned from6 sentences. Some staffers may test positive for anthrax.Logical formLearned from6 sentences. Staffers may be tested for anthrax.Logical formLearned from6 sentences. An (anthrax vaccination program) may pertain-to a military.Logical formLearned from6 sentences. Immunity can be to anthrax.Logical formLearned from6 sentences.