What Are The 4 Types Of Infections?

What are the 4 main causes of infection?

Infectious diseases can be caused by:Bacteria.

These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.Viruses.

Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.Fungi.

Parasites..

How do you know you have an infection in your body?

Blood tests: When testing the blood, measurements are taken to confirm an infection: a CBC (complete blood count), which will show if there is an increased white blood cell count; an ESR (erythrocyte sedimentation rate); and/or CRP (C-reactive protein) in the bloodstream, which detects and measures inflammation in the …

What is the strongest antibiotic for infection?

Drugs Used to Treat Bacterial InfectionDrug nameRx / OTCRatinglevofloxacinRx4.4Generic name: levofloxacin systemic Brand name: Levaquin Drug class: quinolones For consumers: dosage, interactions, For professionals: A-Z Drug Facts, AHFS DI Monograph, Prescribing InformationAmoxilRx1073 more rows

What are the 2 types of infections?

Types of infectionsViral infections. Viruses are very tiny infectious organisms. … Bacterial infections. Bacteria are single-celled microorganisms. … Fungal infections. Fungi are another diverse group of organisms that can include things like yeasts and molds. … Parasitic infections. … Prions.

How do you know your body is fighting an infection?

However, some general symptoms of a bacterial infection include: fever. feeling tired or fatigued. swollen lymph nodes in the neck, armpits, or groin.

How long do bacterial infections last?

Bacterial Infections Symptoms persist longer than the expected 10-14 days a virus tends to last. Fever is higher than one might typically expect from a virus. Fever gets worse a few days into the illness rather than improving.

What is the rarest disease on Earth?

RPI deficiency According to the Journal of Molecular Medicine, Ribose-5 phosphate isomerase deficiency, or RPI Deficinecy, is the rarest disease in the world with MRI and DNA analysis providing only one case in history.

What are the five stages of infection?

The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 2). The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient).

What is the number 1 killer in the world?

Heart disease—most commonly caused by coronary artery and valvular diseases—is the #1 killer in the United States. It accounted for almost one-fourth of all registered deaths.

Which plague killed the most?

the Black DeathThe most fatal pandemic in recorded history was the Black Death (also known as The Plague), which killed an estimated 75–200 million people in the 14th century. The term was not used yet but was for later pandemics including the 1918 influenza pandemic (Spanish flu).

What is the biggest killer of humans?

Ischaemic heart diseaseIschaemic heart disease and stroke are the world’s biggest killers, accounting for a combined 15.2 million deaths in 2016. These diseases have remained the leading causes of death globally in the last 15 years.

What is the most common infectious disease in humans?

According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.

What are the 10 most common diseases?

Heart disease. Share on Pinterest Many of the top 10 causes of death are preventable through lifestyle changes and regular checkups. … Cancer. Deaths in 2017: 599,108. … Unintentional injuries. … Chronic lower respiratory disease. … Stroke and cerebrovascular diseases. … Alzheimer’s disease. … Diabetes. … Influenza and pneumonia.More items…•

What are 5 diseases that can be caught from another person?

Infectious diseases can be any of the following:Chickenpox.Common cold.Diphtheria.E. coli.Giardiasis.HIV/AIDS.Infectious mononucleosis.Influenza (flu)More items…

How do you kill bacteria in your body?

Here are his five tips:Eat pre-biotic foods. Healthy gut bacteria thrive on pre-biotics, which are non-digestible fibers found in foods like root vegetables, onions, leeks, garlic, artichokes, beans, asparagus, oats, nuts, and bananas. … Drink Green Juice. … Cut out processed foods. … Limit antibiotics. … Get your probiotics.

What does a bacterial infection of the skin look like?

Bacterial skin infections Bacterial skin infections often begin as small, red bumps that slowly increase in size. Some bacterial infections are mild and easily treated with topical antibiotics, but other infections require an oral antibiotic.

What are the 4 types of infectious diseases?

A variety of microorganisms can cause disease. Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms.

How many types of infection are there?

Viral infections. Viral infections occur due to infection with a virus. Millions of different viruses may exist, but researchers have only identified about 5,000 types to date.

What is the deadliest disease?

7 Deadliest Diseases in History: Where are they now?The Black Death: Bubonic Plague. … The Speckled Monster: Smallpox. … Severe Acute Respiratory Syndrome (SARS) … Avian Influenza: Not Just One For The Birds. … Ebola: On The Radar Again. … Leprosy: A Feared Disease That Features In The Old Testament. … Polio: The Most Dreaded Childhood Disease Of The 1940-50s.

What are the worst bacterial infections?

7 of the deadliest superbugsKlebsiella pneumoniae. Approximately 3-5% of the population carry Klebsiella pneumoniae. … Candida auris. … Pseudomonas aeruginosa. … Neisseria gonorrhea. … Salmonellae. … Acinetobacter baumannii. … Drug resistant tuberculosis.

How do you fight infection in your body?

Your white blood cells lock on to the germs in order to absorb or destroy them. They have antibodies that latch onto the germs. Experience makes your immune system stronger. The first time your body comes into contact with a certain type of germ, your immune response may take a while.