COVID-19, Flu and RSV Test
Our Comprehensive At-Home Test Kit offers you a simple and effective way to monitor your well-being by testing for four common respiratory infections: COVID-19, Influenza A (Flu), Influenza B (Flu) and Respiratory Syncytial Virus (RSV).
Tests For: COVID-19, Influenza A (Flu), Influenza B (Flu), Respiratory Syncytial Virus (RSV)
Collection Method: Nasal Swab.

Discreet Packaging

Confidential Results

Trusted Laboratories
About this test
COVID-19, short for "Coronavirus Disease 2019," is a highly contagious respiratory illness caused by the novel coronavirus SARS-CoV-2. This virus emerged in late 2019 and has since led to a global pandemic, affecting millions of people worldwide.
How is COVID-19 Spread?
COVID-19 primarily spreads through respiratory droplets when an infected person coughs, sneezes, or talks. It can also be transmitted by touching surfaces contaminated with the virus and then touching the face, particularly the eyes, nose, or mouth.
Common Symptoms of COVID-19:
- Fever or feeling feverish/chills
- Cough
- Shortness of breath or difficulty breathing
- Fatigue
- Muscle or body aches
- Headache
- Sore throat
- Loss of taste or smell (anosmia)
- Congestion or runny nose
- Nausea or vomiting
- Diarrhea
Why Testing for COVID-19 is Important:
Early Diagnosis and Treatment: Testing helps in the early detection of COVID-19 cases, enabling prompt medical intervention and treatment. Early treatment can improve outcomes and reduce the severity of the illness.
Isolation and Preventing Spread: Individuals who test positive for COVID-19 can take immediate measures to isolate themselves, reducing the risk of spreading the virus to others. This is crucial in curbing the spread of the disease within communities.
Contact Tracing: Testing allows for effective contact tracing efforts. Identifying and notifying individuals who may have been exposed to the virus helps break the chains of transmission and prevent further outbreaks.
Protecting Vulnerable Populations: COVID-19 can have severe consequences, especially for older adults and individuals with underlying health conditions. Timely testing and isolation measures help protect these vulnerable populations.
Public Health Monitoring: Accurate data on COVID-19 cases is essential for public health authorities to make informed decisions about containment strategies, vaccination campaigns, and resource allocation.
- Fever or feeling feverish/chills
- Cough
- Sore throat
- Runny or stuffy nose
- Muscle or body aches
- Fatigue (tiredness)
- Headache
- Vomiting and diarrhea (more common in children)
COVID-19, short for "Coronavirus Disease 2019," is a highly contagious respiratory illness caused by the novel coronavirus SARS-CoV-2. This virus emerged in late 2019 and has since led to a global pandemic, affecting millions of people worldwide.
How is COVID-19 Spread?
COVID-19 primarily spreads through respiratory droplets when an infected person coughs, sneezes, or talks. It can also be transmitted by touching surfaces contaminated with the virus and then touching the face, particularly the eyes, nose, or mouth.
Common Symptoms of COVID-19:
- Fever or feeling feverish/chills
- Cough
- Shortness of breath or difficulty breathing
- Fatigue
- Muscle or body aches
- Headache
- Sore throat
- Loss of taste or smell (anosmia)
- Congestion or runny nose
- Nausea or vomiting
- Diarrhea
Why Testing for COVID-19 is Important:
Early Diagnosis and Treatment: Testing helps in the early detection of COVID-19 cases, enabling prompt medical intervention and treatment. Early treatment can improve outcomes and reduce the severity of the illness.
Isolation and Preventing Spread: Individuals who test positive for COVID-19 can take immediate measures to isolate themselves, reducing the risk of spreading the virus to others. This is crucial in curbing the spread of the disease within communities.
Contact Tracing: Testing allows for effective contact tracing efforts. Identifying and notifying individuals who may have been exposed to the virus helps break the chains of transmission and prevent further outbreaks.
Protecting Vulnerable Populations: COVID-19 can have severe consequences, especially for older adults and individuals with underlying health conditions. Timely testing and isolation measures help protect these vulnerable populations.
Public Health Monitoring: Accurate data on COVID-19 cases is essential for public health authorities to make informed decisions about containment strategies, vaccination campaigns, and resource allocation.
How it works
Order your test kit online
Rediscover Comprehensive At-Home Test Kit for COVID-19, FluA, FluB, and RSV - test kit delivered right to your home


Free and discreet delivery
Our home collection kits are delivered free of charge in a plain envelope with no reference to Efunctional
Easy sample collection
Collect your sample from the privacy of home. Easy-to-follow instructions and video tutorials are provided. Return your sample to the lab at no cost to you, using the prepaid shipping label provided. How to collect your sample →

Fast and accurate processing
Your sample will be sent to our network of CLIA-certiified laboratories. These are the same labs used by primary care providers and hospitals
Secure and confidential results
- Results typically provided in 24–48 hours
- Secure patient portal to view results
- Helpful education from our clinical experts
- Official lab report


Physician oversight
Our network of board-certified physicians review each test kit order as well as the results
Still have questions?
Why do I need to activate my test?
Activating the test connects you to the unique alphanumeric barcode within your Efunctional sample collection kit. The laboratory cannot process your sample if the test is not activated and linked to you. You should only activate your test when you are ready to take your sample.
Are there medical professionals involved in the process?
Yes. Efunctional has a team of board-certified physicians who will review your order and results and have created detailed result breakdowns for your testing journey.
How is my privacy protected?
Keeping your personal data secure is important to us. We use appropriate technical and organizational measures to ensure security and confidentiality of your information, and only share your information where required to deliver our products and services or where we have a legal basis to do so. All samples are disposed of following analysis.
How accurate is the testing process?
Your samples are processed in the same labs used by primary care providers, hospitals and government programs. Efunctional laboratory partners are CLIA approved and CAP-accredited, which are the highest levels of accreditation.
Do you accept health insurance as payment?
We don't accept insurance at this time. We work to keep our tests as affordable as possible and our test costs are generally lower than the costs incurred from a trip to a healthcare provider.