Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Green algae cells background
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Fungal infection on a human hand. Ringworm, tinea manuum and close-up view of dermatophyte fungi Trichophyton mentagrophytes, 3D illustration
E.coli - Escherichia coli.3d rending
Colony of Staphylococcus aureus bacteria, multidrug resistant bacteria. 3D illustration
Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
Thermometer with a collection of assorted pills.  The thermometer reads Tripledemic instead of a temperature.
Covid-19 Booster Vaccination card with gloved hand holding
Remdesivir is a broad-spectrum antiviral medication, it is a specific treatment for COVID-19. 3d illustration
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Human parasitic amoeba with pseudopodia, 3D illustration
Bacteria pathogen - 3d rendered microbiology image. Illustrate of Lactobacillus Bulgaricus Bacteria, Microbacterium Tuberculosis Bacteria (MTB). Medical research, health-care concept. SEM (TEM) scanning view
Shreveport, Louisiana, USA - August 26, 2016: Close-up photo of the front and back of Tamiflu antiviral capsule packs with an expired expiration date.
Chemical formula of Progesterone
Salmonella are a bacteria responsible for food poisoning, 3d render of microorganism cousing gastrointestinal disease
A generic box of Penicillin antibiotic pills with a blister pack - white background
Close-up detail of multiple plates of petri dishes containing cultures of Methicillin-Resistant Staphylococcus Aureus (MRSA). Healthcare and infectious diseases concept.
West Nile are invading blood system in blood vessels. Easy to crop for all your social media and print sizes.
Bacteria Aggregatibacter, 3D illustration. Aggregatibacter aphrophilus and A. actinomycetemcomitans, Gram-negative bacteria, part of the normal flora of the mouth and throat, also cause endocarditis
Molecular model of amylose
A quadrant streak of the bacterium Staphylococcus aureus cultured or inoculated on Baird-Parker agar with egg tellurite .
Fresh water diatom, a type of algae, Pinnularia species. Each diatom is composed of one cell and is mobile. Yellow-brown chloroplast fills cell. Warner Valley, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Stool or feces sample for Gene Xpert MTB and RIF test. Isolated on white background.
Covid-19 vaccination record card with fictitious text
Antimicrobial susceptibility testing in petri dish. Microbiologist check Antibiotic resistance of bacteria
Urothelial carcinoma, high grade.  High-grade tumors have an aggressive appearance under a microscope and are assumed invasive in the kidney or ureter.
Fungi Malassezia furfur cells under microscope, 3D illustration. They are found on the skin surfaces and are also associated with dandruff, seborrhoeic dermatitis and tinea versicolor
Male doctor and bottle with Calcium Mineral Supplement
microscopy micrograph animal, conjugation of Paramecium caudatum, magnification 200X
Security door into a biological research laboratory for Genetics.
Free Images: "bestof:Entamoeba histolytica numbered.svg Entamoeba histolytica is an anaerobic parasitic protozoan part of the genus Entamoeba It infects predominantly humans and"
Entamoeba histolytica numbered.svg
Entamoeba histolytica life cycle-ru.svg
Entamoeba histolytica life cycle-it.svg
Entamoeba histolytica life cycle-en.svg
Entamoeba histolytica life cycle-pl.svg
Entamoeba histolytica life cycle-eo.svg
Entamoeba histolytica life cycle-fr.svg
Entamoeba histolytica life cycle-gl.svg
Entamoeba histolytica no labels.png
Entamoeba histolytica life cycle-en new.jpg
Amebiasis_LifeCycle.gif
Entamoeba_histolytica-dispar-moshkovskii.jpg
Trophozoites_of_Entamoeba_histolytica_with_ingested_erythrocytes.JPG
Entamoeba_histolytica_Amebiasis_LifeCycle.gif
Entamoeba_histolytica_Amibiase_CycleParasitaire.GIF
Entamoeba_histolytica-dispar_1.jpg
Taxones_parasitarios.jpg
Terms of Use   Search of the Day