The anthrax spores can spread by inhalation (the most fatal form), ingestion or contact with an abrasion, cut or open wound on the skin. Only eight thousand (8,000) spores, roughly enough to cover a snowflake, are needed to cause pulmonary disease when incubated in the warm and humid conditions of the human lung.

Direct person-to-person spread of anthrax is extremely unlikely to occur. Communicability is not a concern in managing or visiting with patients with inhalational anthrax. Is there a way to prevent infection? In countries where anthrax is common and vaccination levels of animal herds are low, humans should avoid contact with livestock and animal products and avoid eating meat that has not been properly slaughtered and cooked. Also, an anthrax vaccine has been licensed for use in humans.

Anthrax is an acute infectious disease caused by the spore-forming bacterium Bacillus anthracis. Anthrax most commonly occurs in wild and domestic lower vertebrates (cattle, sheep, goats, camels, antelopes, and other herbivores), but it can also occur in humans when they are exposed to infected animals or to tissue from infected animals or when anthrax spores are used as a bioterrorist weapon.

Infections causing gastroenteritis can be spread by contaminated food or water or through an infected food handler. Individuals who are symptomatic with gastroenteritis can spread illness to others by touching handrails, elevator buttons, and shared utensils, as well as through direct intimate contact with others while they are ill.

Infected birds shed flu virus in their saliva, nasal secretions, and feces. Susceptible birds become infected when they have contact with contaminated excretions or surfaces that are contaminated with excretions. It is believed that most cases of bird flu infection in humans have resulted from contact with infected poultry or contaminated surfaces.

the prostate grows, it grows through the prostate, the prostate capsule and the fat that surround the prostate. It can also grow into the base of the bladder and into the seminal vesicles which are located adjacent to the prostate. The spread of cancer is known as metastasis. When cancer spreads outside of the capsule it usually goes to either the lymph nodes or the bones.

Sore eyes can spread by contact of contaminated hands with the eyes (hand to eye contact ) or through touching of eyes with hands which got into contact with contaminated surfaces or objects. It can also spread through droplets from a person with sore eyes who also has a runny nose or cough.

Almost all cases of bird flu infection in humans were caused by direct exposure with infected birds or contaminated surfaces. However, risk of infection in humans is low and person-to-person transmission is exceptionally rare.

Anybody can get MRSA, but MRSA infections are by far more common among persons in hospitals and healthcare facilities. Less often, MRSA can be acquired in the community. It has been associated with recent antibiotic use, sharing contaminated items, having recurrent skin diseases, and living in crowded settings. Outbreaks of MRSA have been reported among participants in contact sports such as wrestling and rugby.

They are both known threats. Many factors go into such determinations including intelligence information, known capabilities and other variables. While we cannot quantify the threat of either one being used as a bioweapon, we know the consequences of their use could be great. Vaccination is a wise, logical step to ensure preparedness for the U.S.

There is no need to buy or store antibiotics, and indeed, it can be detrimental to both the individual and to the community. First, only people who are exposed to anthrax should take antibiotics, and health authorities must make that determination. Second, individuals may not stockpile or store the correct antibiotics. Third, under emergency plans, the federal government can ship appropriate antibiotics from its stockpile to wherever they are needed.

ANSWER: Avian flu spreads mostly among migrating waterfowl, such as ducks and shore birds, and through domestic poultry that is not kept isolated from wild birds. The virus has infected birds in more than 50 countries spanning three continents. It has not been found in the United States or the Western Hemisphere. Birds transmit the virus through saliva, nasal fluid and feces. Human cases of bird flu have mostly occurred after direct contact between people and infected birds.

Infected birds shed flu virus in their saliva, nasal secretions, and feces (droppings). Susceptible birds become infected when they have contact with contaminated excretions or surfaces that are contaminated with excretions.

It is believed that most cases of bird flu infection in humans have resulted from contact with infected poultry or contaminated surfaces. There is no evidence of human-to-human transmission so far.

The avian influenza virus can be spread by the droppings or other material excreted from the eyes, nose and mouth of infected birds. The virus can remain viable in droppings for long periods, spreading among birds and animals through ingestion or inhalation of the droppings. Transmission from flock to flock is usually the result of the virus being carried on infected equipment , equipment, vehicles, egg flats, crates, and the boots or other clothing of people who come in contact with the virus.

Although the exact mechanism is not known, CWD is believed to be spread by the agent responsible both by direct animal-to-animal contact and indirectly via the soil or other contact surfaces. It is thought that the most common mode of transmission from an infected animal is via saliva, feces, and urine.

The main way that influenza viruses are spread is from person to person in respiratory droplets of coughs and sneezes. This can happen when droplets from a cough or sneeze of an infected person are propelled (generally up to 3 feet) through the air and deposited on the mouth or nose of people nearby. Adults may be able to infect others beginning 1 day before getting symptoms and up to 7 days after getting sick.

The Hepatitis A & E viruses are concentrated by consumption of food or water that has been contaminated with these viruses. They can also be spread by indirect contact with an infected persons hands or contaminated utensils. Its spread is related to overcrowding, poor hygiene and poor sanitation, specially in developing countries.

AIDS is spread when blood, semen or vaginal secretions of an infected persons comes in contact with blood or mucous membranes of a healthy person. The virus is spread by :

When a child in elementary school is found to have head lice, or a parent calls us to tell us their child had head lice, all students in the classroom are immediately screened for head lice. Letters are sent home to parents so they can check their child's head for signs of lice for the next several days. Children who have had head lice are re-screened upon return to school before they are allowed back into class to ensure that the treatment has been properly administered.

TB is spread through the air when an affected person coughs, sings, laughs, yawns, sneezes or even talks. If another person inhales the bacterium, one of two outcomes is probable: You will become infected with latent TB but will not feel sick because your body's defenses are currently preventing you from becoming sick. People most at risk of catching TB disease are those who (on a regular basis) spend time with someone who has active TB disease.

Infected birds shed influenza virus in their saliva, nasal secretions, and feces. Susceptible birds become infected when they have contact with contaminated excretions or with surfaces that are contaminated with excretions or secretions.

Surface molds spread by eating the building materials they come in contact with. When surface molds are disturbed they produce mold spores, which become airborne. Airborne mold spores are (similar to seeds), they reproduce more spores. Another requirement for mold to grow is moisture, although some mold species can obtain that moisture from moist air when the relative humidity is above 70%.

Meningococcal disease is spread through air droplets and by direct contact with secretions from infected persons (e.g., through coughing, kissing). Teenagers and college students can reduce the risk of transmitting the disease by not sharing personal items (e.g., utensils, waters bottles, drinking glasses) and by being immunized.

NO, direct person-to-person spread of anthrax infection is extremely unlikely, if it occurs at all. Therefore, there is no need to treat contacts of persons ill with anthrax such as household contacts, friends or co-workers, unless they were also exposed to the same source of infection.