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  1. Jul 21, 2012 · The common cold You’re contagious: from one day before your first symptom to eight days after it You can catch the common cold from over 200 different viruses, which lurk in the air and on common surfaces. You can be contagious before telltale symptoms, such as sneezing, stuffy or runny nose, sore throat and coughing, even begin.

  2. Aug 10, 2022 · August 10, 2022 / Cold & Flu. ... When are you contagious with the flu? ... Even if you don’t show flu symptoms, you still can spread it to others. How does the flu spread?

  3. When to return: You’re less contagious once you’ve been fever-free for 24 hours, so wait at least one more day before you return to the office. Related read: 5 tips to boost your mood at your ...

  4. The incubation period, or time before symptoms are visible, can differ among different illnesses and affect the contagious period. During this time, it’s important to be aware of what and whom you encounter. While you may not see any symptoms, you may still be contagious.

  5. Sep 24, 2022 · You could be contagious a couple of days before you notice your first symptoms and you may no longer be contagious after 2 weeks of your first exposure to the virus. It means that sometimes you think you are feeling better, so it is fine to go back to school or work, but you may still be contagious.

  6. Sep 20, 2022 · People with flu are most contagious in the first three to four days after their illness begins. Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Children and some people with weakened immune systems may pass the virus for longer than 7 days.

  7. How Colds and Flu Spread Colds are most contagious in the first 2 to 4 days after symptoms start. But they can spread up to a few weeks after that. Your symptoms will usually show up 2 to 3 days...

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