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Check Your Coronavirus COVID-19 Health Status Now!

You will See the Result of Your Overall COVID-19 Assessment Here:

The COVID-19 Diagnosis Check helps you make decisions in seeking appropriate medical care.
The App does not intend to diagnose or treat disease or other conditions including Coronavirus, COVID-19. This project was made possible by the ongoing challenge posed by our investor mentor, who continually challenge us to build software solutions that solve problems.
We are Bryerstone Apps, a startup and subsidiary of Bryerstone Ventures, LLC; a sister company of Mstardom, Inc.

Enter a Symptom you are currently experiencing in the field below, then Hit Submit

Are you living with a COVID-19 infected person?

Have you been in a large crowd recently or within the last 14 days?

Did you recently travel abroad or arrived recently from a foreign country within the last 14 days?

How many days have you had symptoms?

Female Only: Did you have a POSITIVE PREGNANCY Test before or after testing positive for Covid-19 using the Rapid IgG/IgM test kit?

The COVID-19 IgG/IgM Rapid Test Cassette (Whole Blood/Serum/Plasma) should not be used to diagnose acute SARS-CoV-2 infection (Covid-19) according to the FDA.

Testing is limited to laboratories certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA), 42 U.S.C 263a, to perform moderate or high complexity tests according to the FDA.
Female Only: If you tested positive for Covid-19 using the Rapid IgG/IgM Covid-19 test kit, please also conduct a Preganancy Test to make sure you are not pregnant. If the Pregnancy Test is also positive and you are not showing signs and symptoms of Covid-19, then your Positive Covid-19 test could be a false positive. The reason is that during the first stage of pregnancy, the female body undergoes a temporary immune response phase that is similar to what happens when an acute infection occurs. This immune response process releases IgG and IgM antibodies in both the first stage of pregnancy and acute infection. So, to rule out Pregnancy as the cause of a false positive Rapid IgG/IgM Covid-19 Test Result, pregnancy-age women should also conduct a pregnancy test to make sure that their Positive Rapid Covid-19 test is accurate.
Other Covid-19 Diagnostic Lab Tests should also be performed in order to confirm a positive Rapid IgG/IgM Covid-19 test result.
Clinical Lab values such as Ferritin, CRP, D-Dimer, and Sedimentation Rate confirms Positive Covid-19 infections.
If the above Lab values are not performed, a positive Covid-19 test result using the Rapid IgG/IgM Covid-19 test kit cannot be accurately confirmed, especially if the patient is pregnant and showing no signs or symptoms of Covid-19 infection.

Ferritin (male only): Enter Your Ferritin Lab Test Result and Click Submit (ng/mL):
Ferritin (female only): Enter Your Ferritin Lab Test Result and Click Submit (ng/mL):
CRP (C-Reactive Protein): Enter Your CRP Lab Test Result and Click Submit (mg/dL):
ALP (Alkaline Phosphatase): Enter Your ALP Lab Test Result and Click Submit (IU/L):
D-dimer: Enter Your D-dimer Lab Test Result and Click Submit (ng/dL):
Sedimentation Rate (Sed Rate)(male only): Input Your Sed Rate Lab Test Result and Click Submit (mm/hr):
Sedimentation Rate (Sed Rate)(female only): Input Your Sed Rate Lab Test Result and Click Submit (mm/hr):

Seek emergency medical attention or call 911 if you are showing these COVID-19 symptoms:

*According to the Centers for disease control (CDC), this list is not all possible symptoms of COVID-19.
"Please call your medical provider for any other symptoms that are severe or concerning to you.

Call 911 or call ahead to your local emergency facility:

Select your symptoms:

If you are experiencing any of these critical COVID-19 symptoms in addition to having other signs of COVID-19 infection, please call 911.
Select A Critical Emergency COVID-19 Symptoms Your are Currently Experiencing:

Continue Checking Yourself with Our COVID-19 Detection App, the Diagnosis Check!

the Diagnosis Check App tries to detect positive COVID-19 infected individuals
from responses submitted by those individuals. The App provides instructions and asks questions.
The app analyzes responses to these instructions and questions and prints out whether or not you are showing signs of COVID-19 infection.
If you are indeed showing, signs of COVID-19 infection, the App will advise you on what appropriate actions to take.


We have provided reminders throughout the App to remind responders that this App is not a doctor.
So, users must not soley rely on the App for medical advice pertaining to diagnosing any disease include COVID-19.
Responders of the App should still see their doctors, regardless of the results received from the App.

COVID-19 Assessment

Our App comes in handy for people who maybe forced to wait an extended period of time for COVID-19 test results
using the traditional PCR (Polymerase Chain Reaction) technique.
This technique takes a long time which delays COVID-19 test results.
The App is also useful for individuals who want to know quickly if they had contracted the COVID-19 virus
as a result of being ill with flu-like symptoms.
After answering the questions above, you should have a pretty good idea about your overall COVID-19 health status; but first, answer the final question below:

Diagnosis Check!

Hello, I am Glenford, thanks for your patience; you are almost finished. Please answer this final question in the comment area below:

You will See the Result of Your Overall COVID-19 Assessment Here:

Lab Values Affected in COVID-19 Infection

Ferritin levels rise in some cases of Covid-19

The human body causes Ferritin levels to rise for two reasons: as an acute-phase reactant and as a result of iron-overload disorders.

Ferritin falls into the category of an acute-phase proteins (APPs), a group of proteins that increase in the blood due to the onset of acute infections, in an inflammatory process called acute-phase reaction. The acute-phase reaction involves the proliferation of peripheral leukocytes (white blood cells), including neutrophils and their inflammatory precursors. It is this role Ferritin plays in the acute onset of COVID-19 infection. This is why covid19-infected individuals often have elevated ferritin levels.

The Iron-overload relationship with ferritin does not play a role in COVID-19 positive patients, only in patients with iron-overload disorders, such as hemochromatosis and others.

C-reactive protein (CRP)

C-reactive protein (CRP), a liver protein, also belongs to the acute-phase reaction group of proteins that increases during acute infections such as covid-19. Therefore, if CRP levels are also elevated along with ferritin, then this confirms that the elevated ferritin is due to a true acute-phase reaction and not due to any other reactions. As a result of this, clinicians often order a rapid CRP lab test along with a rapid ferritin lab test if COVID-19 is suspected.

The D-dimer Test

Clinicians use the D-dimer test to help them treat COVID-19 patients. D-dimer derives from the the degradation of Blood clots by the body.

A Blood clot produces small protein fragments (fibrin degradation product) after being degraded by fibrinolysis. This means that the clinician would rather their patients have low d-Dimer levels less than 150 ng/dL. The higher the levels of D-dimer fragments found in the blood the more blood clots have formed in the blood. More blood clot means a higher chance of thromboembolisms or thrombus or clots breaking off to clog blood vessels. If this occurs in the lungs, it is called a pulmonary embolism, if it occurs in the brain, it could cause a stroke. To prevent blood clots become life-threatening, clinicians prescribes anticoagulants, such as heparin, coumadin, warfarin, etc.

Clinicians order a D-dimer lab test to find out the likelihood of mortality in people suffering from COVID-19. A four-fold increase in the D-dimer value of patients with COVID-19 signals possible mortality.

COVID-19 infection appears to initiate a cascade of vasoconstrictive responses throughout the body, including constriction of blood vessels within the pulmonary circulation and constriction of airways, causing tightness, pressure and pain in the chest, which further decreases the flow of oxygen into the lungs and the flow of carbon dioxide outside of the lungs.

The heart is also susceptible to COVID-19 infection as a result of its abondance of ACE2 receptors, a prime reason for infection.

Another common factor causing mortality in COVID-19 positive patients is complications relating to the kidney. Researchers at John Hopkins Medicine found that COVID-19 positive patients who never had kidney problems before their COVID19 infection, now have kidney damage.


PCR Technology Overview

Scientists use Polymerase Chain Reaction (PCR) techniques to detect genetic information.
The RT-PCR version detects SARS-Cov-2 RNA, the same virus that causes COVID-19.
Testing laboratories frequently choose PCR as a frontline test for COVID-19.

The CDC provides detailed information on all things relating to COVID-19

RT-PCR Turnaround Time

The RT-PCR test produces results in 3-4 hours.
It performs testing with a level of sensitivity, reliability, and speed.
If the test must be sent to external laboratories,
results can be expected to take from 6-8 hours on average.

Several companies operating in research and diagnostics produce RT-PCR products.
Companies that develop testing analyzers or machines incorporate the RT-PCR technique into their systems.
Clinical Laboratories then use these analyzers or machines to test individuals for COVID-19 infections.
There is also all-in-one RT-PCR kits available for testing, which reduces laboratory handling of the test.
All-in-one RT-PCR kits reduce accidental contamination of samples.

How to Protect Yourself and Others

According to the CDC, know how COVID-19 spreads.
No Vaccine is currently available that will prevent coronavirus disease 2019 (COVID-19).
The most effective way to prevent illness is to avoid being infected by this virus.

COVID-19 spreads itself mainly from person-to-person:

    Through close contact between people within about 6 feet.
    Via respiratory droplets that are produced when a COVID-19-infected person coughs, sneezes or talks.
    Airborne droplets can enter into the mouths or noses of people nearby or possibly be inhaled into the lungs.
    Recent studies suggests that COVID-19 may be spread by people who are not visibly sick or showing symptoms.

Wash hands after all activities involve using hands.

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