I can’t be the only one nervously lifting the back of my (scrupulously washed) hand to my forehead for quick assurance I’ve eluded fever for another day.Some will prefer using a scientifically tested tool called a thermometer to measure temperature. A warmer-than-normal reading is a red flag that your body is fighting off infection.With any luck, you already have a thermometer because lately they are as hard to buy as toilet paper. But getting a second thermometer is optimal if someone in your household has covid-19 symptoms, says Michael Hochman, an internal medicine physician and director of the Gehr Family Center for Health Systems Science & Innovation at Keck Medicine at the University of Southern California.If you’re in the market, an inexpensive, easy-to-use digital thermometer is fine, experts say — the no-frills type in drugstores and supermarkets for under $20.“The accuracy is not based on how much it costs,” says Gary L. LeRoy, a family physician in Dayton, Ohio, and president of the American Academy of Family Physicians.For adults and children age 4 and older, oral temperature taking is most popular. Rectal thermometer readings are more accurate, researchers found, but the slight outcome difference is not significant for ordinary use.Some


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