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MeFee Temp Tracker

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Welcome to MeFee Temp Tracker. To get started, please tell us who you are tracking a temperature for. You can add multiple people if you wish, to assist your family or friends. You can always change this later if you want. Add another person

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Whose data: Default Farenheit Celsius

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Input Results F.A.Q. Temperature tips: Take your temperature three times, and report the middle temp

Sleep, exercise, and eating can throw off your temperature. Wait at least 30min.

Date/Time

Temperature F





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We have insufficient data so far to make a recommendation. Please continue to record your temp. Twice daily is best. You seem to be feeling better, is that right? Yes, that's right





What you've told us Date/Time Temperature Status What is MeFee? MeFee is a free webapp that gives you an easy platform to enter and track your temperature data over time. Using that data, we estimate what temperature would be abnormally high for you, and alert you when your temperature gets too high. Because the data is personalized to your specific data, this is usually well before you technically have a fever. Why should I track my temperature? The short answer by measuring your temperature regularly, we can try to catch the early signs of a fever, one of the symptoms of COVID-19, so you can know to self-isolate as soon as possible, reducing the chance of you passing on the virus to your family and community. The longer answer is that the median incubation period before symptoms are typically identified for COVID-19 has been estimated at 5.1 days. During that period, people are contagious (with the average serial interval estimated at 3.96 days). Even with moderate degrees of isolation, the virus can still spread within the household, a particularly common vector for COVID-19. Typically a temperature is not considered a medically significant fever until it reaches 100.4F. However, this value is calibrated for population-wide clinical significance. It can not account for individualized average temperature and variation, which could provide earlier personalized indication of temperature being abnormal. Nor was it designed to be an early indicator of infection. If symptoms of COVID-19 were detectable earlier, individuals could more effectively isolate at an earlier point in time, reducing the likelihood of transmission. What does the red line represent on my temperature graph? The red line indicates the upper bound of your personalized normal temperature range, according to the data you previously entered. Technically, it is the upper-bound of the 90% confidence interval of three standard deviations from your mean reported temperature. We only include recordings marked as "healthy" in the calculation, as the red line is intended to represent your healthy range. If your temperature is over the red line, you should consider isolating yourself and monitoring your symptoms. Why doesn't my graph show a red line? We only include a personalized upper bound once we have a minimal set of temperature readings. That means that your red line will show up after you have entered five readings. How frequently should I take my temperature? By taking your temperature throughout the day, you get a better understanding of your daily fluctuations. We recommend taking your temperature three times a day. What's the best way for me to take my temperature? To get the best data, we suggest that, for each time you report your temperature, you take three readings and report the middle one. We also suggest you always use the same thermometer every time. It's best to record your temperature at least 30 minutes after sleeping, eating, drinking hot or cold beverages, or exercising. All of these practices will minimize random noise in your readings and make your data more informative.

Fever is one of the first symptoms of COVID-19, and early detection is key to protecting our families and communities.

Track your temperature daily to get personalized feedback on when your temperature is out of your normal range.

Use that information to do your part to protect your family and your community from the spread of COVID-19.