Infection: Bacterial or viral? - Mayo Clinic
2023年2月4日 · For example, bacteria in the intestines help digest food. But bacteria can cause illness. For example, bacteria that travel from the anus into the urinary tract can cause a urinary tract infection. People can come into contact with bacteria from other people, food or the environment. These bacteria can cause illnesses. Some examples are: Strep ...
What's the difference between Bacteria and Viruses? - Drugs.com
2024年4月3日 · Virus vs bacteria: Any difference in symptoms? Symptoms usually reflect the area of the body infected, and the infecting organism. For example, a bacterial infection of the skin may cause a discharge, swelling, pain and redness in a certain area, whereas a viral infection, such as hepatitis C may cause abdominal pain, joint pain, nausea or ...
Germs: Protect against bacteria, viruses and infections
2024年3月5日 · But bacteria may also cause illness. Many disease-causing bacteria make powerful chemicals called toxins that damage cells and make you ill. Other bacteria can get into and damage tissues. Some infections caused by bacteria include: Strep throat. Tuberculosis. Urinary tract infections. Viruses. Viruses are much smaller than cells.
Infección: ¿bacteriana o viral? - Mayo Clinic
2023年4月15日 · Virus. Los virus son fragmentos de información genética, ARN o ADN, rodeados de proteínas. Un virus necesita un huésped vivo, como una persona, una planta o un animal. Para diseminarse, el virus se introduce en el cuerpo del huésped y luego en sus células. Se apodera de la estructura de la célula huésped y la utiliza para producir más ...
Listeria infection - Symptoms & causes - Mayo Clinic
2022年2月11日 · Listeria bacteria can be found in soil, water and animal feces. People can get infected by eating the following: Raw vegetables that have been contaminated from the soil or from contaminated manure used as fertilizer; Contaminated meat; Unpasteurized milk or foods made with unpasteurized milk
COVID-19, cold, allergies and the flu: What are the differences?
2023年11月3日 · COVID-19 is a contagious respiratory disease caused by infection with the virus SARS-CoV-2. It usually spreads between people who are in close contact. The virus spreads through respiratory droplets released when someone breathes, coughs, sneezes, talks or sings. These droplets can land in the mouth or nose of someone nearby or be inhaled.
Shigella infection - Symptoms and causes - Mayo Clinic
Shigella infection is an illness that affects the intestine. Another name for it is shigellosis. It's caused by a group of germs called shigella bacteria. Children under age 5 are most likely to get shigella infection. But the illness can happen at any age. The germs that cause it spread easily through an infected person's stool.
Rubella - Symptoms & causes - Mayo Clinic
2022年5月11日 · Rubella isn't the same as measles, but the two illnesses share some signs and symptoms, such as the red rash. Rubella is caused by a different virus than measles, and rubella isn't as infectious or as severe as measles. The measles-mumps-rubella (MMR) vaccine is safe and highly effective in preventing rubella.
Norovirus infection - Symptoms & causes - Mayo Clinic
2022年3月4日 · Noroviruses are highly contagious. That means the norovirus infection can easily spread to others. The virus is shed in stool and vomit. You can spread the virus from the time you first have symptoms of illness until several days after you recover. Noroviruses can stay on surfaces and objects for days or weeks. You can get norovirus infection by:
Coronavirus disease 2019 (COVID-19) - Symptoms and causes
COVID-19, also called coronavirus disease 2019, is an illness caused by a virus. The virus is called severe acute respiratory syndrome coronavirus 2, or more commonly, SARS-CoV-2. It started spreading at the end of 2019 and became a pandemic disease in 2020.