How Many Coronavirus Test Types Exists?

There are three types of coronavirus test that we can use to diagnose COVID-19 disease:

  • The PCR technique: Is performed in the laboratory and this coronavirus test technique takes several hours.

  • Rapid tests: Two different types of portable tests that provide results in a few minutes. These two types are the antigen and antibody rapid tests against COVID-19.

We examine what each coronavirus test method is based on and why they are so important in the complete eradication of COVID-19.

The PCR test is the common test to diagnose COVID-19, “Polymerase Chain Reaction”. To perform this test, a health care specialist takes a sample from the bottom of the patient’s nose, mouth or throat, and this sample has to be analyzed in a laboratory.

This coronavirus test is based on a series of chemical reactions to detect the presence of the virus genetic material. It is a common procedure and provides reliable results if the sample is correctly taken, but it can be only use in laboratories equipped with specialized machines.

Coronavirus test PCR

In order to cut the chains of transmission of the coronavirus, it is necessary to identify more infected people. To do this, diagnostic capacity must be increased with COVID-19 rapid tests.

How many coronavirus rapid tests exist?

  • Antigens: Detect whether a patient carries the COVID-19. The first rapid tests whose effectiveness has been evaluated in Spain are antigen tests. The objective of the Spanish government is to start using this type of test to increase the screening of the population with the following protocol.

  • Antibody: Detect whether a patient has built up immune defenses against the virus. This antibodies coronavirus test is recommended to find out what percentage of the population is immunity to the SARS-CoV-2 by the time it’s eradicated.

    These tests have in common that they are portable, cheaper and easier to use than PCR.

The Antigen test is going to be prove following this protocol:

  • If the test is positive: The patient has to be isolated.

  • If it is negative: The PCR test helps to perform and ensure.

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