Another way is when an infectious microbe travels through the air after someone nearby sneezes or coughs. Sometimes people get contagious diseases by touching or using something an infected person has touched or used — like sharing a straw with someone who has mono or stepping into the shower after someone who has athlete's foot. And sexually transmitted diseases STDs are spread through all types of sex — oral, anal, or vaginal. You can help protect yourself against contagious diseases by washing your hands well and often, staying away from those who are sick, making sure you're up to date on all vaccinations, and always using condoms during any type of sex.
Overuse of antibiotics can also cause these mutated diseases, like recent typhoid cases in many countries. Viruses are smaller than bacteria. To prevent a virus, you need to get a vaccination that is specifically made to prevent that virus strain. If you get a virus, you need an antiviral drug to treat them, not an antibiotic.
It can be hard to tell the difference between viruses and bacteria because they can both lead to diseases with similar symptoms such as coughing and fever. Due to the fact that bacteria and viruses are inherently different from one another, viral and bacterial infections are different too. Thus, the two infections also need to be treated differently.
Like we mentioned earlier, bacterial infections may be treated with antibiotics, while an antibiotic will have no effect on a viral infection. Viral infections can only be prevented by immunizations. Much like with the annual flu shot , these vaccines are built specifically using the strains of the virus itself.
Viral infections are harder to treat once an individual has them, but there are some antiviral drugs available to treat herpes, HIV, and influenza. Some illnesses can be caused by either a viral or bacterial infection such as pneumonia and meningitis. They can determine the source of the ailment and provide you with the correct treatment.
Do you have any other questions about viruses or diseases? Worried about coming into contact with some dangerous bacteria while traveling? In Brazil, for example, polio has been considered eradicated by vaccination since Vaccines are nothing more than the causative agent of the disease or fragments thereof introduced into the body in an attenuated manner.
The dose of virus or bacteria present in the vaccine does not cause the disease, but it is enough to activate the immune system, attack the foreign agent and create immune memory. However, antibiotics and antivirals, due to the evolution of microorganisms, have not been able to extinguish many diseases. Over time, viruses and bacteria become increasingly resistant to variations in existing drugs.
Therefore, scientists always need to create new drugs and immunizers. With such expansion, human being invaded the natural habitat of other animals, started to raise them on a large scale, coming into contact with the secretions of those animals. The viruses that infected cattle causing rinderpest, for example, mutated in humans to measles.
It was only in that scientist Alexander Fleming discovered, by mistake, penicillin, an antibiotic used in the treatment of bacterial diseases to present days. The pandemic concept became stronger with the Spanish flu, almost years ago.
The bacterium, which caused tuberculosis, killed, in years, about 1 billion people. You may be trying to access this site from a secured browser on the server. Please enable scripts and reload this page. Turn on more accessible mode. Turn off more accessible mode. Skip Ribbon Commands. Skip to main content. Turn off Animations. Turn on Animations. Sign In. Yes Yes Yes. Learn more about them.
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