Les scientifiques tiennent une éprouvette et examinent pour ses recherches et développent un vaccin contre la pandémie de coronavirus covid-19 en salle de laboratoire avec des panneaux de mise en garde. Science et technologie médicales concept. - Photo & image de stock

Scientists use dropper to drop chemical reagent to test tube in tube rack to research and develop vaccine for coronavirus covid-19 pandemic with his colleague in background. Medical Science concept.

Young Asian scientist doing some research and looking through a microscope in a laboratory to study about coronavirus COVID-19 to develope vaccine for 2019-ncov world pandemic. Healthcare concept.

Scientists hold blood sample test tube and examine for his research and develop vaccine for coronavirus covid-19 pandemic. Medical Science and technology concept.

Young Asian scientist doing some research and looking through a microscope in a laboratory to study about coronavirus COVID-19 to develope vaccine for 2019-ncov world pandemic. Healthcare concept.

Caution danger Signage of COVID-19 coronavirus in front of Laboratory room with background of Scientists working and researching vaccine for ncov-19 virus for world pandemic situation.

Portrait attractive asian waitress wear face mask and face shield hold thermometer and alcohol gel sanitizer for cleaning and hygiene with indoor restaurant background. New normal restaurant concept.

Portrait of asian woman drive thru coronavirus covid-19 test by medical staff with PPE suit by nose swab. New normal healthcare drive thru service and medical concept.

Microscope in education school on blurred background

Medical staff in PPE suit show his ID card to patient to identified himself at home before doing swab for COVID-19 at home delivery. Delivery coronavirus covid-19 test at home concept.

Portrait attractive Asian waitress wear face mask and face shield cleaning table with alcohol and wet wipe before welcome customer. New normal hygiene restaurant concept.

Cleaning on door handle use chemical alcohol spray to disinfect and decontaminate coronavirus covid-19 by specialist cleaner wear personal protective equipment PPE. New normal Hygiene concept.

Microscope in education school background

Portrait of medical staff in PPE suit with background of asian woman with face mask waiting in living room of apartment .Delivery coronavirus covid-19 test at home concept.

Medical staff in PPE suit show his ID card to patient to identified himself at home before doing swab for COVID-19 at home delivery. Delivery coronavirus covid-19 test at home concept.