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  1. Measles | Disease or Condition of the Week | CDC

    Apr 24, 2019 · Measles is a serious disease. It’s caused by a very contagious virus that spreads through coughing and sneezing. Symptoms include fever, runny nose, and red, watery eyes, followed by a rash of tiny, red spots that spread all over the body.

  2. Are Cold Sores (Fever Blisters, HSV) Contagious?

    Discover how cold sores (fever blisters, HSV-1, HSV-2) spread, find out about the various stages of cold sore development, and learn when to seek medical care for oral herpes.

  3. Coronavirus facts, myths and information: Your questions ...

    Aug 03, 2020 · The swine flu, or H1N1, “was very contagious and infected some 60 million people in the United States alone within a year,” Gupta said. “But it was far less lethal than the flu even — like ...

  4. How Long Am I Contagious ... - Northwestern Medicine

    A cough or a fever aren’t the only indications of being contagious. You’re contagious before you have symptoms — during the incubation period, when the virus enters your system. And just because you feel better doesn’t mean those around you are safe.

  5. Low-Grade Fever - Symptoms, Causes, Treatments

    Nov 05, 2018 · A fever is an increase in the body temperature above normal. A low-grade fever is a mild elevation of the temperature above normal. Your temperature measurements fluctuate through the day and vary depending upon the site of measurement.

  6. Typhoid Fever Vaccine, Symptoms, Treatment, Causes, Contagious

    Feb 18, 2020 · Typhoid fever is a potentially life-threatening infectious disease caused by a bacterium, Salmonella typhi. It mainly occurs in developing countries (especially Southern Asia), but it is seen in travelers from industrialized countries who visit where typhoid infections are common (endemic).

  7. Is Bronchitis Contagious? When You Can Catch It and How to ...

    WebMD explains when bronchitis is contagious. Bronchitis makes you cough-- a lot.It can make it hard to breathe, too, and can cause wheezing, fever, tiredness, and chest pain.The disease happens ...

  8. Dengue Fever - Is It Contagious? - By Dr. Nash Kamdin | Lybrate

    Dengue is a viral infection caused by the bite of an infected female Aedes mosquito. About 400 million dengue infection cases occur worldwide every year with about 96 million of them turning severe. Dengue is mostly widespread in tropical regions such as India, South-East Asia, Central and South ...

  9. The time between exposure to a contagious illness and the onset of symptoms is called the “incubation period.” Based on what has been seen previously with similar viruses, the Centers for Disease Control and Prevention (CDC) has estimated the incubation period for COVID-19 to be from 2–14 days. April 7, 2020

  10. Is an Ear Infection Contagious? | Healthfully

    An ear infection is the body’s reaction to germs or a virus moving into the ear's membranes and canals, according to The body then fights off these invaders by increasing its temperature through fever and sending white blood cells to fight it, which creates pus. Middle Ear