What Are The 4 Types Of Germs?

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….

How long do germs live on your hands?

Influenza Germs Viruses that cause influenza can survive in the air as droplets for hours and live on hard surfaces like phones and keyboards for up to 24 hours. Infectious flu viruses clinging to a tissue can last for about 15 minutes, but viruses on the hands tend to fade quickly.

How do you prevent germs from spreading to children?

Washing your hands and your children’s hands is the best thing you can do to stop the spread of germs….Washing handspreparing or eating food.breastfeeding.feeding a child.giving medication to a child or applying ointment to sores.touching, cuddling or holding a sick child.

What are the four different types of pathogens?

A variety of microorganisms can cause disease. Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms. Some common pathogens in each group are listed in the column on the right. Infectious agents can grow in various body compartments, as shown schematically in Fig.

What percent of germs does hand washing kill?

In studies, washing hands with soap and water for 15 seconds (about the time it takes to sing one chorus of “Happy Birthday to You”) reduces bacterial counts by about 90%. When another 15 seconds is added, bacterial counts drop by close to 99.9% (bacterial counts are measured in logarithmic reductions).

How do virus die?

Strictly speaking, viruses can’t die, for the simple reason that they aren’t alive in the first place. Although they contain genetic instructions in the form of DNA (or the related molecule, RNA), viruses can’t thrive independently. Instead, they must invade a host organism and hijack its genetic instructions.

What are the top 5 worst diseases?

Read on to see the top 10 diseases causing the most deaths worldwide, according to the World Health Organization (WHO) .Ischemic heart disease, or coronary artery disease. … Stroke. … Lower respiratory infections. … Chronic obstructive pulmonary disease. … Trachea, bronchus, and lung cancers. … Diabetes mellitus.More items…

What are the 2 types of germs?

There are two main types of germs which can cause disease in humans and animals. These are bacteria and viruses.

What are the four main diseases?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.

Which areas of the body are most at risk from germs?

The area that was found to have the most bacteria at the time was the forearm, with a median of 44 species, followed by behind the ear with a median of 15 species.

Does alcohol kill all germs?

Can alcohol kill all types of germs or only some types? At the required concentrations — between 60 and 90 percent — alcohol can kill a broad range of germs, including bacteria, viruses, and fungi. For example, alcohol can eliminate common bacteria, such as E. coli, salmonella, and Staphylococcus aureus.

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.

How do viruses enter the human body?

Microorganisms capable of causing disease—or pathogens—usually enter our bodies through the eyes, mouth, nose, or urogenital openings, or through wounds or bites that breach the skin barrier. Organisms can spread, or be transmitted, by several routes.

How do you show germs for kids?

A product called Glo Germ helps kids see how well they are washing their hands. Have the kids spread the gel all over their hands before washing as normal. Then have each child hold their hands under ultraviolet light after washing — the remaining germs will glow, and show where they didn’t wash well.