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Infectious Diseases

Infectious diseases or communicable diseases arise from illnesses caused by fungi, viruses, protozoa, bacteria or parasites. These infections can be transmitted through body fluids, airborne inhalation and contaminated foods or objects.

4,892 Questions

Does a person with a sexually transmittable disease usually have a visible condition that indicate the person is infected?

Not generally; you normally won't be able to tell visually that a person may have an STD.

In some cases, you might be able to recognize blisters similar to cold sores, which can be indicative of the Herpes virus, but not all herpes causes these blisters, and not all blisters are symptoms of herpes. Severe STDs may cause a visible rash or an odorous discharge, but again, these are not reliable indicators either way.

What is bacillus non pathogenic?

Bacillus non-pathogenic refers to a strain of Bacillus bacteria that does not cause disease in humans, animals, or plants. These non-pathogenic strains are often used in various industrial processes, such as bioremediation or probiotics, due to their beneficial properties without posing a risk to health.

How do you get treated for rabies?

Rabies has no cure or treatment. If you have it, you will die. However, if you are infected with rabies, and you are quick enough, you can go to a hospital and get a number of shots injected into your stomach, belly button area, to prevent the disease. But these shots only work if you get them within a few hours of being infected.

What is an infectious agent that consists of a small strand of RNA and that causes disease in plants?

A viroid is an infectious agent that consists of a small strand of RNA and that causes disease in plants.

Is the gram of influenza negative or positive?

(sign) Glucose is a carbohydrate (or sugar). Gram positive or negative refers to a bacterial cell wall and whether or not they take up certain stains. Glucose will be neither since glucose is a molecule and not a bacterial cell.

What is tinea unguium?

tinea unguium (infection of the nails)
Tinea unguium is the latin name for a fungal infection of the nail. It can be caused by the dermatophytes:

Trichophyton

Epidermophyton

Microsporum

What are some exampls of fungi?

Some examples of fungi include mushrooms, yeast, mold, and truffles. These organisms play various roles in ecosystems, such as decomposing organic matter, forming mutualistic relationships with plants, and causing diseases in animals and plants.

How might antihistamines affect the blood?

Antihistamines can cause side effects like drowsiness and dizziness by crossing the blood-brain barrier. They can also lead to dry mouth, blurred vision, and urinary retention by blocking histamine receptors in the body. In some cases, certain antihistamines may cause changes in blood pressure or heart rhythm, but this is less common.

Does bacillus amyloliquifaciens have a positive reaction for citrate utilization?

Yes, Bacillus amyloliquifaciens typically shows a positive reaction for citrate utilization due to its ability to metabolize citrate as a carbon source. This can be confirmed using citrate utilization tests in a laboratory setting.

What are the ways people can get encephalitis?

People can get encephalitis through viral infections, such as herpes simplex virus, West Nile virus, or Japanese encephalitis virus. Other causes include bacterial infections, parasites, or autoimmune reactions. It can also be a complication of certain diseases or conditions.

What can cause pus bubble?

Pus is a viscous substance that is a part of the body's natural immune response system. It is most often whitish-yellow in color, although it may also be greenish, brownish, reddish, or even blue. Pus often has a somewhat necrotic smell, and is often the sign of an infection when found in a wound.

What does it mean if pus is yellow?

Yellow pus can indicate a bacterial infection. When white blood cells attack bacteria, they release enzymes that can cause the pus to appear yellow. If you have yellow pus around a wound or are experiencing other symptoms of infection, it's important to seek medical attention for proper treatment.

Can you get bloodborne pathogens from CPR?

It presents a low risk; blood borne pathogens are spread through your blood. You could become infected only if the injured person has an open sore on their mouth or have blood on their face. When performing CPR the only thing you should worry about is influenza or other airborne pathogens. Using a pocket mouth-to-mouth resuscitation mask or other barrier device can prevent this.



by:Lillian

Do vaccines prevent measles?

Yes, vaccines are highly effective in preventing measles. The measles vaccine provides long-lasting immunity and is a critical tool in reducing the spread of the disease. It is recommended that individuals receive two doses of the measles vaccine for optimal protection.

Where do viruses fit in?

Viruses are infectious particles. In many cases, they can cause deadly diseases. They are not part of the scheme of living things but are important in the problems they can cause. Some are useful. One type causes mottled colors in tulips.

How are bacteria helpful to humans and what are some examples?

Bacteria are helpful to humans by aiding in digestion, producing vitamins, and supporting the immune system. Examples include gut microbiota that help with digestion, probiotics that enhance gut health, and bacteria used in fermentation processes to produce food like yogurt and cheese.

Is walking pneumonia a hidden or active virus?

Walking pneumonia is not caused by a virus, but rather by a type of bacteria called Mycoplasma pneumoniae. It is considered active because it can cause symptoms similar to pneumonia, such as a persistent cough, fever, and fatigue. Treatment typically involves antibiotics to target the bacterial infection.

Is the measles virus latent?

This virus is sometimes called a slow virus because it can be latent-like. It doesn't mean that it is in this form when it takes a few days to show symptoms after infection. This in called incubation.

This form in measles stays in latency up to 10 years and will show then as a progressive brain disease and finally death.

Which description of chronic disease is correct?

A chronic disease is a long-term condition that typically progresses slowly and may require ongoing management and treatment to control symptoms and prevent complications. Examples include diabetes, heart disease, and arthritis.

What tests can be conducted to identify the infectious agent of meningitis?

Tests commonly conducted to identify the infectious agent of meningitis include cerebrospinal fluid analysis for cell count, protein, glucose levels, and culture, as well as polymerase chain reaction (PCR) testing to detect specific genetic material of bacteria, viruses, or fungi. Blood cultures and imaging studies such as CT scans or MRIs may also be used to help identify the source of infection.

What are the Most common baseball and softball injuries?

Some of the most common baseball and softball injuries include rotator cuff injuries, elbow injuries such as Tommy John surgery, and injuries to the hamstrings and knees due to running and sliding. Additionally, ankle sprains and muscle strains are also common in both sports.

Did viruses originate naturally or are they a hybrid?

Both. Viruses are naturally occurring organisms that have been around "forever". They have the ability to mutate or change themselves into new shapes and types sometimes using genetic material from more than one kind of virus, which would make them naturally occurring hybrids. They were not man-made.

Does clostridium botulinum have a capsule?

all chemicals and staining techniques shwoed that Clostridium have structure like capsule but not real capsule

What portions of the bacteria cell aid the ability of a bacterium to cause infection?

Some key portions of a bacteria cell that aid in causing infection include pili for attachment to host cells, flagella for movement, and secretion systems for delivering toxins or other virulence factors into host cells. Additionally, the bacterial cell wall can help protect the bacterium from the host immune system.