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Someone with Ebola may infect about two additional susceptible people. Whooping cough is the most contagious bacterial infection. An infected individual can potentially infect anywhere between 12 to 17 other susceptible people. Comparatively, a person infected with diphtheria , another bacterial infection that can be spread through airborne droplets, may only infect six to seven susceptible individuals.
Not all bacterial conditions are contagious. These infections are often spread through the bite of an infected animal.
Some examples include:. Other bacterial infections are acquired through the environment. You can get them through contaminated food, or the bacteria can enter an infected wound directly from the surrounding environment. Examples include:. For example, the Staphylococcus bacteria itself can be transmitted from person to person through direct skin-to-skin contact, including through contact with fluids or pus from an infected wound.
It can also be acquired through contact with a contaminated object. Once the bacteria have colonized, they can stay on your body for a few months up to several years.
However, the bacteria can sometimes take advantage of wounds or other breaks in the skin to enter the body and cause conditions such as cellulitis , abscesses , and folliculitis. Many bacterial infections can be treated with a course of antibiotics , although some infections may be more serious.
Be sure to follow the tips below to reduce your risk of catching a contagious bacterial infection:. Many contagious bacterial infections, such as whooping cough, are preventable through vaccination. Bacterial and viral infections are often transmitted in similar ways, but symptoms and treatment methods may vary depending on the cause of your…. A new study found that disease-causing bacteria can build up in showerheads. Researchers found it was worse in metal instead of plastic showerheads. As the wildfires rage on, people in the West now have to protect themselves not only from the novel coronavirus, but from wildfire smoke as well….
Getting scratched by your dog can happen, especially during feeding and playtime. Learn about possible health risks from dog scratches and how to…. People are renting pools via a new app this summer. Is this practice safe? There are hundreds of lymph nodes in the body that help fight infection, including the armpit. Learn more about what it looks like when they're…. Not all cat scratches are dangerous. People can be sick with symptoms of an infection or colonized with germs not have symptoms of an infection but able to pass the germs to others.
Germs are also found in the healthcare environment. Examples of environmental sources of germs include:. A susceptible person is someone who is not vaccinated or otherwise immune, or a person with a weakened immune system who has a way for the germs to enter the body. Devices like IV catheters and surgical incisions can provide an entryway, whereas a healthy immune system helps fight infection. When patients are sick and receive medical treatment in healthcare facilities, the following factors can increase their susceptibility to infection.
Transmission refers to the way germs are moved to the susceptible person. There are a few general ways that germs travel in healthcare settings — through contact i. Skip directly to site content Skip directly to page options Skip directly to A-Z link. Infection Control. Section Navigation. Facebook Twitter LinkedIn Syndicate. How Do Infections Occur?
Baby colds usually heal without treatment but are sometimes a sign of more serious illness like pneumonia or ear infection. Read more on Parenthub website.
Respiratory tract infections RTIs are respiratory illnesses that refer to a variety of infections of the sinuses, throat, airway or lungs. Read more on Ausmed Education website. Healthdirect Australia is not responsible for the content and advertising on the external website you are now entering. There is a total of 5 error s on this form, details are below. Please enter your name Please enter your email Your email is invalid. Please check and try again Please enter recipient's email Recipient's email is invalid.
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Send to: is required Error: This is required Error: Not a valid value. On this page What is a chest infection? What are the symptoms of a chest infection? When should I see my doctor? What causes chest infections? How are chest infections diagnosed? How are chest infections treated? Can chest infections be prevented?
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