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Researchers test blood samples in the laboratory. Researchers are inventing vaccines to treat COVID-19 virus.

Omicron corona virus variant. Medical laboratory doctor holding test tube in hospital laboratory. Positive Omicron COVID-19 test blood sample

Scientists or doctors collect blood samples from new strains of virus patients for analysis and vaccination in the research laboratory, Vaccine research to eliminate viruses concept.

Test tube with blood and mixing machine. High quality photo

A female doctor in white rubber gloves holds a test tube with a blood sample in the laboratory. Treatment, coronavirus, pandemic, COVID-19

HPV test to look for abnormalities from blood, scientific experiment

Hand in blue glove holding a blood test tube in front of a lab room

Image of Coronavirus disease (COVID-19). Coronavirus disease (COVID-19) is an infectious disease caused by a new virus that had not been previously identified in humans.

Doctors hand in medical gloves with a blood probe

Corona virus outbreaking. Epidemic virus Respiratory Syndrome.

A hand in a blue latex glove holds on a white background a test tube of a purple cap with biological material blood. Infection with coronovirus and infections.

Doctor hand taking a blood sample tube and needle with other color tubes for analysis in lab. Technician holding blood tube test and needle in the research laboratory

Doctor wearing medical gloves holding a blood tube with positive Coronavirus 2019-nCoV Blood Sample.

Blood sampling at a private clinic in italy

Researcher giving a test tube to a colleague

Test-tube with blue liquid isolated on white

Professional doctors perform find virus tests from samples of blood tests to diagnose coronary virus infections analysis and sampling of infectious.

Female hands in medical blue gloves test tube with a close-up blood sample for research in a clinical laboratory, copy space. Concept of medicine, analyses

Scientist holding test tube with blood sample at table, closeup. Virus research

Close up of vacutainer filled with blood for investigation in laboratory. Scientist with gloves looking at transparent glassware tool with liquid solution used by doctor for science

The medical team wore a coronavirus protective suit and rubber gloves to examine the coronavirus covid-19 and research for a vaccine to prevent coronavirus covid-19 to stop the epidemic

Professional doctors perform find virus tests from samples of blood tests to diagnose coronary virus infections analysis and sampling of infectious.

Scientist testing lab in laboratory.Medical science.

Hand with blue medical gloves is holding a blood probe

Hand holds a test tube containing a blood sample, test tube for Covid-19 coronavirus analyzing. Laboratory testing patients sample

Close up hand of nurse holding test tube with blood.

Hand holding a blood probe

Doctor's hand with medical glove holds a blood probe and laboratory in background

Scientist working with blood sample in laboratory. High quality photo

Doctor's hand with medical glove holds a blood probe and laboratory in background

Hand in blue rubber glove close up. The doctor holds a glass test tube with blood. Analyzes in the hand of a laboratory assistant, on the right of the photo. White background, place for signature, copyspace

Group 0 - Blood Test, blood sample to analyze in the laboratory, blood in test tube

Coronavirus disease (COVID-19) research. Blood test. Regular blood testing is one of the most important ways to keep track of your overall physical well-being.

Covid 19 coronavirus sample of infected blood in the sample tube in the hand of a medical scientist covid-19 blood analysis

Scientists hand holding a test-tube with blood sample for BLOOD test

Corona virus outbreaking. Epidemic virus Respiratory Syndrome.

Test-tube with blue liquid isolated on white

Female hands in medical blue gloves test tube with a close-up blood sample for research in a clinical laboratory. Concept of medicine, analyses

Hand with medical gloves is holding blood probe

Corona virus outbreaking. Epidemic virus Respiratory Syndrome.

Laboratory

Close up of biologist's hand holding test tube with blood sample, with erythrocyte deposition

Test-tube with blue liquid isolated on white

Female doctor holding a blood test sample coronavirus

Hand with blue medical gloves is holding a blood probe

Close-up of hand in medical gloves handling a blood test tube for analysis

Test tubes. Medical equipment.Test tubes with colorful liquids in holder on table.

Patient during blood test sampling procedure taken for analysis

Cell-culture tube with red blood solvent or solution handle in hands wear nitrile blue gloves, with colorful culture cell tubes cover with green caps, biotechnology analysis experiment for anti-virus.

Blood samples in a tube rack

Medical researcher and blue latex gloves to prevent germs Shows a patient's blood vessels being taken to research experiments in the lab.

Hand with medical glove of doctor holds test tube with blood sample on the background of medical test tubes.

Researchers test blood samples in the laboratory. Researchers are inventing vaccines to treat COVID-19 virus.

Hand holds test tube with blood and empty space for custom label.

Test-tube with blue liquid isolated on white

The doctor holds a vacutainer with human blood.

Doctor hand hold blood test tubes

Doctors are collecting blood samples from patients for examination.

Bio Chemistry lab with blood test tubes closeup background.

Doctor in the lab holding tubes of blood identified with the label Covid-19 New Variant / Laboratory Technician with a blood samples with a New Variant of the Coronavirus

Cropped photo of a biochemist placing a labeled vacutainer with the collected blood sample in a test tube rack