Which of the following has the lowest infectious dose? Cholera Ghonorrhea Anthrax Measles Small pox

IF the CDC estimates 12 thousand deaths occur because of the virus in the US, this number is describing? morbidity incidehce prevalence mortality

It has been 2 weeks since a tropical caver researcher returned from Uganda, she is experiencing flu-like symptoms such as fever, sore throat and muscle aches, after 6 days condition deteriorates with the onset of diarrhoea, vomiting and stomach ache. The doctor's examination revealed rashes and leakage of the blood vessels in her eyes. Further hospital tests revealed internal bleeding. Case history showed she had been collecting samples from caves close to the border with the Democratic Republic of the Congo which had significant bat activity.According to laboratory results, the patient has proteinuria, increased serum transaminases, leukopenia (1x109 /L), and thrombocytopenia (10x109 /L). She has normal lung function but an enlarged liver and spleen.  Blood film screening for malaria was negative as well as diagnostic tests for the following haemorrhagic viruses: Dengue fever virus, Crimean-Congo haemorrhagic fever virus, Marburg virus, Rift Valley fever virus, Lassa fever virus and…

Tetanospasmin, a neurootoxin secreted by Clostridium tetani causes which one of the following characteristic features of tetanus? Flaccid paralysis ORigid paralysis Massive efflux of electrolytes Extensive skin rash O None of the these