What is the deadliest disease in history
Major epidemics and pandemics by death tollRankEpidemics/pandemicsDisease1Black DeathBubonic plague2Spanish fluInfluenza A/H1N13Plague of JustinianBubonic plague4HIV/AIDS pandemicHIV/AIDS15 more rows.
What are 5 diseases caused by viruses
What are viral diseases?Chickenpox.Flu (influenza)Herpes.Human immunodeficiency virus (HIV/AIDS)Human papillomavirus (HPV)Infectious mononucleosis.Mumps, measles and rubella.Shingles.More items…
What are 3 causes of noninfectious diseases
Preventing Noninfectious Diseases. Noninfectious diseases can’t be passed from one person to another. Instead, these types of diseases are caused by factors such as the environment, genetics, and lifestyle. Examples of inherited noninfectious conditions include cystic fibrosis and Down syndrome.
How can we avoid infection
Good hygiene: the primary way to prevent infectionsWash your hands well. … Cover a cough. … Wash and bandage all cuts. … Do not pick at healing wounds or blemishes, or squeeze pimples.Don’t share dishes, glasses, or eating utensils.Avoid direct contact with napkins, tissues, handkerchiefs, or similar items used by others.
What are 3 ways diseases are prevented today
Learn, practice, and teach healthy habits.#1 Handle & Prepare Food Safely. Food can carry germs. … #2 Wash Hands Often. … #3 Clean & Disinfect Commonly Used Surfaces. … #4 Cough and Sneeze into a Tissue or Your Sleeve. … #5 Don’t Share Personal Items. … #6 Get Vaccinated. … #7 Avoid Touching Wild Animals. … #8 Stay Home When Sick.
What are the five signs of infection
Know the Signs and Symptoms of InfectionFever (this is sometimes the only sign of an infection).Chills and sweats.Change in cough or a new cough.Sore throat or new mouth sore.Shortness of breath.Nasal congestion.Stiff neck.Burning or pain with urination.More items…
What are the 4 types of infections
The four types of microbes that cause illness in people are bacteria, fungi, viruses, and parasites.
Can u treat a virus
For most viral infections, treatments can only help with symptoms while you wait for your immune system to fight off the virus. Antibiotics do not work for viral infections. There are antiviral medicines to treat some viral infections. Vaccines can help prevent you from getting many viral diseases.
What are 20 communicable diseases
List of Communicable Diseases2019-nCoV.CRE.Ebola.Enterovirus D68.Flu.Hantavirus.Hepatitis A.Hepatitis B.More items…
What are the 5 causes of non infectious diseases
The WHO’s World Health Report 2002 identified five important risk factors for non-communicable disease in the top ten leading risks to health. These are raised blood pressure, raised cholesterol, tobacco use, alcohol consumption, and being overweight.
How do you get rid of bacteria in your body
Antibiotics are used to kill or inhibit bacteria growth….You may also be able to eradicate bacteria in the home with a homemade cleaning agent made of:oregano essential oil.vinegar.water.lemon.
What diseases could be caused by lifestyle choices
NCDs such as cardiovascular diseases (CVD), stroke, diabetes and certain forms of cancer are heavily linked to lifestyle choices, and hence, are often known as lifestyle diseases.
What are three diseases
The Top 10 Deadliest DiseasesCAD.Stroke.Respiratory illness.COPD.Cancers.Diabetes.Alzheimer’s disease.Diarrhea.More items…
What are 3 illnesses or diseases caused by bacteria
Bacterial diseasebacteria.Infectious disease.Cholera.Leprosy.tuberculosis.Plague.Syphilis.Anthrax.More items…
What are the main causes of disease
CausesBacteria. 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.Apr 7, 2021
Which disease has no cure
cancer. dementia, including Alzheimer’s disease. advanced lung, heart, kidney and liver disease. stroke and other neurological diseases, including motor neurone disease and multiple sclerosis.
What are the two main cause of disease
For example- bacteria cause syphilis, tetanus, tuberculosis; virus causes chickenpox, smallpox, measles; fungi causes ringworm infection, athlete’s foot, etc. 2. Contributory cause- These are the secondary factors that lead these organisms to enter our body.
How do diseases affect the body
Sometimes they kill cells and tissues outright. Sometimes they make toxins that can paralyze, destroy cells’ metabolic machinery, or precipitate a massive immune reaction that is itself toxic.