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1. www.webmd.com › covid › covid-19-symptomsCoronavirus Symptoms: Early Signs, Serious Symptoms - WebMD

   www.webmd.com › covid › covid-19-symptoms

   2023年11月10日 · COVID-19 is a respiratory condition caused by a coronavirus. Some people are infected but don’t notice any COVID-19 symptoms (doctors call that being asymptomatic). Most people have mild symptoms...

2. www.webmd.com › covid › covid-travelCOVID-19 and Travel: What You Should Know - WebMD

   www.webmd.com › covid › covid-travel

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   2024年1月4日 · 8 min read. Traveling During COVID-19. With travel largely back to pre-pandemic levels, you may wonder what's safe. It mainly depends on whether you're up to date on your COVID-19 vaccinations....

3. www.webmd.com › heartburn-gerd › reflux-disease-gerd-1GERD: Symptoms, Causes, Treatments, Remedies for Relief - WebMD

   www.webmd.com › heartburn-gerd › reflux-disease-gerd-1

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   2024年6月24日 · Gastroesophageal reflux disease, or GERD, happens when acid from your stomach backs up into your esophagus, the tube connecting your stomach to your mouth. This digestive disorder affects the ring...

4. www.webmd.com › food-recipes › food-poisoningFDA Updates Recall of Arsenic-Tainted Apple Juice Sold at ...

   www.webmd.com › food-recipes › food-poisoning

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   2024年8月26日 · The FDA announced an updated recall of Great Value apple juice sold at Walmart amid arsenic concerns, giving the recall a more urgent classification on Friday.

5. www.webmd.com › covid › newsDo I Have a Cold or COVID? Does It Matter? - WebMD

   www.webmd.com › covid › news

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   2024年7月22日 · For many, symptoms don’t last nearly as long as they once did. And some doctors are taking a more lenient approach to COVID testing – especially since tests are no longer free – saying they ...

6. www.webmd.com › baby › healthtool-ovulation-calculatorOvulation Calculator & Calendar - Determine Your Most ...

   www.webmd.com › baby › healthtool-ovulation-calculator

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   Use this calculator to see when you may be ovulating to find your most fertile days. Typically, you can get pregnant during about 6 days each month. That's called your fertility window. Select the...

7. www.webmd.com › cold-and-flu › understanding-common-cold-symptomsCommon Cold Symptoms: Coughing, Runny Nose, and More - WebMD

   www.webmd.com › cold-and-flu › understanding-common-cold-symptoms

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   2024年7月2日 · Early Common Cold Symptoms. Colds usually start 1-3 days after a virus enters the body. These germs often enter through the nose or mouth and cause your pharynx (a tube at the back of your throat...