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    Boy dying eggs for Easter, closeup view — Stock Photo
    Boy dying eggs for Easter, closeup view
    Illustration of human silhouette with inflamed thyroid gland being attacked by antibodies. — Stock Photo
    Illustration of human silhouette with inflamed thyroid gland being attacked by antibodies.
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage. — Stock Photo
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage.
    Dementia, conceptual computer illustration — Stock Photo
    Dementia, conceptual computer illustration
    Thyroid gland tumour, computer illustration. — Stock Photo
    Thyroid gland tumour, computer illustration.
    Lyme disease bacteria, digital illustration. — Stock Photo
    Lyme disease bacteria, digital illustration.
    Bacterial sinusitis, computer illustration. The sinuses are membrane-lined air-filled spaces in the bones of the face. The frontal sinuses are above the eyes. Below these are the many lobed ethmoid sinuses and behind them the sphenoid sinuses — Stock Photo
    Bacterial sinusitis, computer illustration. The sinuses are membrane-lined air-filled spaces in the bones of the face. The frontal sinuses are above the eyes. Below these are the many lobed ethmoid sinuses and behind them the sphenoid sinuses
    Squamous carcinoma of the skin — Stock Photo
    Squamous carcinoma of the skin
    Illustration of HIV virus particles in human blood. — Stock Photo
    Illustration of HIV virus particles in human blood.
    Red cancer cells, digital illustration. — Stock Photo
    Red cancer cells, digital illustration.
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    Set of delicious Japanese cuisine on wooden table — Stock Photo
    Set of delicious Japanese cuisine on wooden table
    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph.
    Zabriskie Point at dawn — Stock Photo
    Zabriskie Point at dawn
    Norovirus, illustration. Norovirus or 'winter vomiting bug' is a genus of RNA virus that causes many cases of stomach upset. The disease is characterised by nausea, vomiting, diarrhoea and abdominal pain — Stock Photo
    Norovirus, illustration. Norovirus or 'winter vomiting bug' is a genus of RNA virus that causes many cases of stomach upset. The disease is characterised by nausea, vomiting, diarrhoea and abdominal pain
    Antelope Canyon in Navajo Reservation, Arizona, USA — Stock Photo
    Antelope Canyon in Navajo Reservation, Arizona, USA
    Handicapped man watching time on wrist watch in gym — Stock Photo
    Handicapped man watching time on wrist watch in gym
    Man standing on the snow-covered shore in Antarctica — Stock Photo
    Man standing on the snow-covered shore in Antarctica
    Digital illustration of inner structure and RNA of human respiratory syncytial virus. — Stock Photo
    Digital illustration of inner structure and RNA of human respiratory syncytial virus.
    Pancreas cancer in male body, computer illustration. — Stock Photo
    Pancreas cancer in male body, computer illustration.
    Esophageal cancer in male body, abstract digital illustration. — Stock Photo
    Esophageal cancer in male body, abstract digital illustration.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Sitka Spruce and Western Hemlock trees — Stock Photo
    Sitka Spruce and Western Hemlock trees
    Oesophageal cancer rendering — Stock Photo
    Oesophageal cancer rendering
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3) — Stock Photo
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3)
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Illustration of human silhouette with painful heart. — Stock Photo
    Illustration of human silhouette with painful heart.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Handicapped man doing chest workout on bench press with barbell in gym — Stock Photo
    Handicapped man doing chest workout on bench press with barbell in gym
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria.
    3d illustration of cholera pathogens in dark polluted water. — Stock Photo
    3d illustration of cholera pathogens in dark polluted water.
    Scientific illustration of influenza virus particle. — Stock Photo
    Scientific illustration of influenza virus particle.
    Young woman receiving beauty treatment using high frequency machine in clinic. — Stock Photo
    Young woman receiving beauty treatment using high frequency machine in clinic.
    Porphyromonas gingivalis oral bacterium, computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract — Stock Photo
    Porphyromonas gingivalis oral bacterium, computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract
    Illustration of liver tumour in transparent male silhouette. — Stock Photo
    Illustration of liver tumour in transparent male silhouette.
    People watching colony of King Penguins — Stock Photo
    People watching colony of King Penguins
    Lobar pneumonia in stage of congestion and consolidation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of congestion and consolidation, digital illustration and light micrograph.
    Handicapped man exercising with barbell in gym — Stock Photo
    Handicapped man exercising with barbell in gym
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration — Stock Photo
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Digital illustration of DNA molecule with damage, genetic disorder concept. — Stock Photo
    Digital illustration of DNA molecule with damage, genetic disorder concept.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Female anatomy with highlighted diseased liver, computer illustration. — Stock Photo
    Female anatomy with highlighted diseased liver, computer illustration.
    Abstract transparent male body with glowing stomach cancer, digital illustration. — Stock Photo
    Abstract transparent male body with glowing stomach cancer, digital illustration.
    Bronchus with excess mucus — Stock Photo
    Bronchus with excess mucus
    Truck riding on road covered with blowing snow near Morris, Manitoba, Canada — Stock Photo
    Truck riding on road covered with blowing snow near Morris, Manitoba, Canada
    3d illustration of red blood cells erythrocytes, white blood cells leukocytes and platelets thrombocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes, white blood cells leukocytes and platelets thrombocytes.
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Digital illustration of human hair with dandruff. — Stock Photo
    Digital illustration of human hair with dandruff.
    Covid-19 coronavirus particles, computer illustration — Stock Photo
    Covid-19 coronavirus particles, computer illustration
    Dementia, conceptual computer illustration — Stock Photo
    Dementia, conceptual computer illustration
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration — Stock Photo
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration
    Colored scanning electron micrograph of breast cancer cell. — Stock Photo
    Colored scanning electron micrograph of breast cancer cell.
    Group of people in a rubber boat in the Antarctic. — Stock Photo
    Group of people in a rubber boat in the Antarctic.