La main tient une éprouvette avec du sang. Le processus de don de sang pour des tests médicaux tels que la covid-19 ou d'autres tests de laboratoire est montré. - Photo & image de stock

A healthcare professional takes a smear of COVID-19. In protective gloves. Test tube for analysis. Doctor with test tube for analysis and sampling of infection. Side view. White background.

Forensic technician taking DNA sample from blood stain with cotton swab on murder crime scene

Hand in blue glove holding tweezers with a cotton bud

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

The hand holds a test tube with blood. The process of blood donation for medical tests such as covid-19 or other laboratory tests is shown.

Falling water drops on a shadow background. Front view.

A drop of cosmetic preparation falls from a pipette on a beige terracotta background . Perfect for showcasing your product. Front view.