Quick Answer: What Are The 2 Most Common Germs?

Which is the most contagious disease?

Common cold – This is the most highly contagious and the most common infectious disease in humans.

This is an infection that has been a common thing since the existence of humanity..

What are 3 common viruses?

Other common viral diseases include:Chickenpox.Flu (influenza)Herpes.Human immunodeficiency virus (HIV/AIDS)Human papillomavirus (HPV)Infectious mononucleosis.Mumps, measles and rubella.Shingles.More items…

What disease kills the fastest?

Flesh Eating Bug. This bug can quickly sweep through the body eating the body’s soft tissue. … Cholera. This is an intestinal disease caused by eating contaminated water or food and can kill anyone within hours. … Enterovirus D68. … Bubonic Plague. … Ebola. … Dengue Fever.

Which disease has no cure?

HIV/AIDS – No cure exists for HIV/AIDS, but medication exists that can help control the symptoms of it. Huntington’s disease – Inherited disease that causes the progressive breakdown (degeneration) of nerve cells in the brain. Hydrocephalus – No cure exists for this (physical)neurological disorder.

Are viruses living?

So were they ever alive? Most biologists say no. Viruses are not made out of cells, they can’t keep themselves in a stable state, they don’t grow, and they can’t make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.

What are the 2 most common viruses?

7 Remarkably Common Viral Infections ExplainedThe Common Cold. Most adults get two to four colds a year, while children may get several more. … Influenza (The Flu) Influenza is the virus that causes the seasonal flu. … Bronchitis. … Gastroenteritis (Stomach Flu) … Some Ear Infections. … Croup. … RSV.

What are the 2 types of bacteria that can make you sick?

Many give off chemicals called toxins, which can damage tissue and make you sick. Examples of bacteria that cause infections include Streptococcus, Staphylococcus, and E. coli. Antibiotics are the usual treatment.

What are the 4 main kinds of germs?

The four major types of germs are bacteria, viruses, fungi, and protozoa. They can invade plants, animals, and people, and sometimes they can make us sick. Bacteria (say: BAK-teer-ee-uh) are tiny, one-celled creatures that get nutrients from their environments in order to live.

What is the most common way to be infected with germs?

Germs can spread in a number of ways, but the most common are by direct and indirect contact and through the air.

What’s the worst disease in history?

20 of the worst epidemics and pandemics in historyFlu pandemic: 1889-1890. … American polio epidemic: 1916. … Spanish Flu: 1918-1920. … Asian Flu: 1957-1958. … AIDS pandemic and epidemic: 1981-present day. … H1N1 Swine Flu pandemic: 2009-2010. … West African Ebola epidemic: 2014-2016. … Zika Virus epidemic: 2015-present day.More items…•

Is a virus a disease or infection?

Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, Ebola, and COVID-19. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.

Are viruses common?

Viruses are living organisms that cannot replicate without a host cell. They are considered the most abundant biological entity on the planet. Diseases caused by viruses include rabies, herpes, and Ebola. There is no cure for a virus, but vaccination can prevent them from spreading.