Provetta con un campione di sangue per un test per anticorpi al coronavirus nelle mani di un assistente di laboratorio in guanti, scrive un segno negativo una penna, isolata su bianco, primo piano. Concetto Covid-19 . - Foto e immagini stock

Test tube with a blood sample for a test for antibodies to coronavirus in the hands of a laboratory assistant in gloves, writes a negative sign a pen, isolated on white, closeup. Covid-19 concept.

Test tube with a blood sample for a test for antibodies to coronavirus in the hands of a laboratory assistant in gloves, writes a negative sign a pen, isolated on white, closeup. Covid-19 concept.

Test tube with a blood sample for a test for antibodies to coronavirus in the hands of a laboratory assistant in gloves, writes a negative sign a pen, isolated on white, closeup. Covid-19 concept.

Test tube with a blood sample for a test for antibodies to coronavirus in the hands of a laboratory assistant in gloves, writes a negative sign a pen, isolated on white, closeup. Covid-19 concept.

Test tube with a blood sample for a test for antibodies to coronavirus in the hands of a laboratory assistant in gloves, writes a negative sign a pen, isolated on white, closeup. Covid-19 concept.

Cropped view of scientist in latex glove holding test tube with blood sample isolated on blue

Test tube with a blood sample for a test for antibodies to coronavirus in the hands of a laboratory assistant in gloves, writes a negative sign a pen, isolated on white, closeup. Covid-19 concept.

Positive COVID-19 test and laboratory sample of blood testing for diagnosis new Corona virus infection(novel corona virus disease 2019) with hospital background. Pandemic infectious concept

Positive COVID-19 test and laboratory sample of blood testing for diagnosis new Corona virus infection(novel corona virus disease 2019) with hospital background. Pandemic infectious concept

Test tube with a blood sample for a test for antibodies to coronavirus in the hands of a laboratory assistant in gloves, writes a negative sign a pen, isolated on white, closeup. Covid-19 concept.

Positive COVID-19 test and laboratory sample of blood testing for diagnosis new Corona virus infection(novel corona virus disease 2019) with hospital background. Pandemic infectious concept

Positive COVID-19 test and laboratory sample of blood testing for diagnosis new Corona virus infection(novel corona virus disease 2019) with hospital background. Pandemic infectious concept

Positive COVID-19 test and laboratory sample of blood testing for diagnosis new Corona virus infection(novel corona virus disease 2019) with hospital background. Pandemic infectious concept

Positive COVID-19 test and laboratory sample of blood testing for diagnosis new Corona virus infection(novel corona virus disease 2019) with hospital background. Pandemic infectious concept