Covid-19 testing solutions

Are you looking for testing the efficacy of your disinfection process or make sure there is no SARS-CoV-2 on your premises by a simple and rapid surface control ?

Since April 2020, C4Diagnostics is providing complete solutions for Covid-19 testing, for the environment. 

All our solutions are offered throughout the national french territory, for all companies (public buildings, public transport, restaurants, hotels, training centers …)


These tools allow

  • to ensure the site security
  • to measure the efficacy of decontamination process
  • to detect rapidly a cluster and isolate infected people easily

About Covid-19

COVID-19 is an infectious disease caused by the SARS-CoV-2 virus, a respiratory pathogen. First cases appeared in Wuhan, in China at the end of 2019. COVID-19 is an infectious disease caused by the SARS-CoV-2 virus, a respiratory pathogen. First cases appeared in Wuhan, in China at the end of 2019.

COVID-19 spreads between people through direct, indirect (through contaminated objects or surfaces), or close contact with contaminated people via mouth and nose secretions (saliva, respiratory secretions or secretion droplets).

These are released from the mouth or nose when an infected person coughs, sneezes, speaks or sings, for example. The most common symptoms of COVID-19 are fever, dry cough and fatigue. Other less common symptoms are loss of taste or odorate, a nasal congestion, a sore throat, a headache, a muscle or joint pain…

Some infected people only have very mild symptoms or even none at all. That’s why the diagnostic of Covid-19 can be very difficult.


Sars-CoV-2 virus
C4Services - C4Diagnostics


C4Services™ is a comprehensive solution which enables the analysis of the presence of SARS-CoV-2 virus, by using the RT-PCR technique recommended by the National Reference Center for respiratory infection viruses.

Based on the experience and the expertise of the COMETE platform (COvid-19 Marseille Environmental TEsting), it’s our lab unit, for companies willing to check up the absence of Covid-19 in their premises.

The analyzes are performed in our P2 laboratories, by our teams specialized in infectious diseases.

3 types of samples are analyzed :

  • surface (door handles, switches, common equipment)
  • air (with a biocollector)
  • waste water

    C4Services’ workflow

    Workflow C4Services
    C4 COVID-19 Environment

    C4 COVID-19 Environment

    C4 COVID-19 Environment™ is a molecular detection for the SARS-CoV-2 virus. Based on LAMP technology, it enables a simple, fast and method to test on-site and analyze surface, air or wastewater.

    The test is used to detect within 20 minutes the virus, thanks to our mobile reader.

    3 types of samples can be collected, according to our procedures :

    • Surface : using a sterile swab
    • Air : with a biocollector device (biocollector MD8) with a tested sensitive support
    • Wastewater : with filtration and tested for use



    C4 COVID-19 Environment’s workflow

    Infographie principe C4Covid-19



    The C4Reader-T8 is our isothermal reader point of care, used for Covid-19 detection and CE marked. It enables detailed curve analysis in real time on screen and during test, within 20 minutes.

    This device has to be used only with our C4 COVID-19 Environment solutions.

    Biocollector MD8

    The biocollector MD8 is a battery-operated portable air sampler that operates using filtration and impaction methods.

    It is used to determine microorganisms or concentrations of the Covid-19 virus in the air.

    This device allows the air samplings, analyzed with the C4Reader-T8 or directly in our C4Services laboratory.

    C4Reader T8, lecteur pour les tests Covid19
    Biocollector DB8