Messa a fuoco selettiva del veterinario in maschera medica e guanti di lattice che tengono il topo bianco dalla coda vicino alle provette - Foto e immagini stock

Medical worker, doctor holds in one hand test tube with blood with positive result for coronavirus or COVID-19, in other - medical protective masks. Protection against infection and transmission

Old chemist working in the lab

Portrait of female doctor in uniform, gloves face mask prepare syringe with antibiotic in the operating room. Health care concept. Preparation for surgery

The male nutrition expert testing food products in lab

Medical Laboratory worker holding equipment

The Doctor are preparing a vaccine to be placed in sterile boosters for use in patients infected with the pandemic virus.

Female doctor or scientist holding syringe and vaccine, Science and chemistry, Healthcare and Medical concept