The Relicans


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Learn how likely you are to get COVID with!

What I built

An app/website that determines the probability of you being COVID positive by using data from several APIs.

Category Submission:

Science and Observation

App Link


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Description tells you the probability of you being tested Coronavirus positive by using data from covid19 apis.

We determine your chances of being positive based on the number of cases that your country currently has and the current population of that country.

Obviously, you should take our predictions with a grain of salt, and get yourself tested if you feel like you have any symptoms, irrespective of what our app says.

Link to Source Code


Permissive License



I made this app because I'm sick and tired of people complaining about the masks and how they're not necessary, and how they'd never get affected on sites like Twitter. Hence, to bring some intelligence to their minds, I made It helps people understand the seriousness of this situation and to take the CoronaVirus seriously.

How I built it

I used the load time trackers to make sure that my app wasn't taking too long to start up because a survey said that people leave your website if it takes longer than 3 seconds. I was able to cut down the load times by a bunch because of New Relic. Secondly, I used its dependencies tracker on my backend to make sure that I wasn't stressing any APIs I was using. It helped me manage my cache and determine the expiry times for said caches.

Additional Resources/Info


Discussion (1)

neel1516 profile image

This is interesting! The statistics are pretty useful and it saves me quite a bit of time while looking up numbers haha 😁