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1. www.webmd.com › covid › coronavirus-face-masksFace Mask for Coronavirus: Types, Best Filters, How to Make ...

   www.webmd.com › covid › coronavirus-face-masks

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   2024年5月16日 · Fit the mask around your nose and mouth, and under your chin. There should be no space between your face and the mask. Pinch the top edge of the mask around the bridge of your nose. Do ensure the ...

2. www.webmd.com › covid › coronavirus-transmission-overviewHow Coronavirus Is Transmitted: Here Are All the Ways It Can ...

   www.webmd.com › covid › coronavirus-transmission-overview

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   2023年12月19日 · This is the most common transmission. When an infected person coughs, sneezes, or talks, droplets or tiny particles called aerosols carry the virus into the air from their nose or mouth. Anyone ...

3. www.webmd.com › sleep-disorders › sleep-apneaSleep Apnea: Types, Causes, Risk Factors, Effects on Health ...

   www.webmd.com › sleep-disorders › sleep-apnea

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   2024年3月14日 · High blood pressure or heart problems. Sudden drops in blood oxygen levels while you sleep can raise your blood pressure and put stress on your cardiovascular system. Obstructive sleep apnea could ...

4. www.webmd.com › genital-herpes › herpes-tests-what-you-should-knowHSV Tests for Genital Herpes: Test Types (PCR vs. Culture vs ...

   www.webmd.com › genital-herpes › herpes-tests-what-you-should-know

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   2022年8月30日 · To check for herpes, your doctor usually does a physical exam and then likely orders one of these tests: Viral culture. Polymerase chain reaction (PCR) test. Blood test. If you get a “positive ...