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    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
    Illustration of silhouette of obese man with painful stomach. — Stock Photo
    Illustration of silhouette of obese man with painful stomach.
    Digital illustration of kidneys cancer. — Stock Photo
    Digital illustration of kidneys cancer.
    3d illustration of cancer cells connecting to tissue. — Stock Photo
    3d illustration of cancer cells connecting to tissue.
    Diseased lungs in transparent female body on black background, computer illustration. — Stock Photo
    Diseased lungs in transparent female body on black background, computer illustration.
    Ruining DNA molecule, genetic disorder conceptual illustration. — Stock Photo
    Ruining DNA molecule, genetic disorder conceptual illustration.
    Illustration of human skeleton painful wrist. — Stock Photo
    Illustration of human skeleton painful wrist.
    Human lungs with viral pneumonia and close-up of virions. — Stock Photo
    Human lungs with viral pneumonia and close-up of virions.
    Disabled young man using laptop at home — Stock Photo
    Disabled young man using laptop at home
    Painful hip joint, computer illustration — Stock Photo
    Painful hip joint, computer illustration
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration. — Stock Photo
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration.
    Mental illness, conceptual illustration — Stock Photo
    Mental illness, conceptual illustration
    Group of people in a rubber boat in the Antarctic. — Stock Photo
    Group of people in a rubber boat in the Antarctic.
    West Nile virus particles — Stock Photo
    West Nile virus particles
    Handicapped man working out at lat pulldown training at gym — Stock Photo
    Handicapped man working out at lat pulldown training at gym
    Car riding on road covered with blowing snow near Morris, Manitoba, Canada — Stock Photo
    Car riding on road covered with blowing snow near Morris, Manitoba, Canada
    Painful spine, computer illustration — Stock Photo
    Painful spine, computer illustration
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot — Stock Photo
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot
    Illustration of stomach cancer in human body silhouette. — Stock Photo
    Illustration of stomach cancer in human body silhouette.
    Man in defensive pose, computer illustration — Stock Photo
    Man in defensive pose, computer illustration
    Diseased lungs in transparent male body on white background, computer illustration. — Stock Photo
    Diseased lungs in transparent male body on white background, computer illustration.
    Instructor demonstrating air conditioner recharging manifold with gauges in HVAC classroom student in wheelchair — Stock Photo
    Instructor demonstrating air conditioner recharging manifold with gauges in HVAC classroom student in wheelchair
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    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
    Illustration of silhouette of obese man with visible adrenal glands. — Stock Photo
    Illustration of silhouette of obese man with visible adrenal glands.
    Lonely businessman in abandoned building — Stock Photo
    Lonely businessman in abandoned building
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    Diseased liver in male body silhouette, digital illustration. — Stock Photo
    Diseased liver in male body silhouette, digital illustration.
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Lung cancer cells, digital illustration. — Stock Photo
    Lung cancer cells, digital illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Diseased bladder in abstract human body, conceptual digital illustration. — Stock Photo
    Diseased bladder in abstract human body, conceptual digital illustration.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Liver with cirrhosis, computer illustration. Cirrhosis is a consequence of chronic liver disease characterized by fibrosis and scarring of tissue — Stock Photo
    Liver with cirrhosis, computer illustration. Cirrhosis is a consequence of chronic liver disease characterized by fibrosis and scarring of tissue
    MERS virus infection of lungs, conceptual illustration. — Stock Photo
    MERS virus infection of lungs, conceptual illustration.
    Top view of various delicious seafood in pan on grey surface — Stock Photo
    Top view of various delicious seafood in pan on grey surface
    3d illustration of lymphocytes attacking cancer cell in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cell in human body.
    Fractured ankle bone, computer illustration — Stock Photo
    Fractured ankle bone, computer illustration
    Illustration of human silhouette with painful heart. — Stock Photo
    Illustration of human silhouette with painful heart.
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Medical illustration of stomach cancer in female silhouette. — Stock Photo
    Medical illustration of stomach cancer in female silhouette.
    Pneumonia inflammatory condition of lungs, digital illustration. — Stock Photo
    Pneumonia inflammatory condition of lungs, digital illustration.
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Lungs pneumonia and close-up of Haemophilus influenzae bacteria, digital illustration. — Stock Photo
    Lungs pneumonia and close-up of Haemophilus influenzae bacteria, digital illustration.
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Illustration of abstract cancer cell with tentacles. — Stock Photo
    Illustration of abstract cancer cell with tentacles.
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Illustration of Staphylococcus aureus (MRSA) coccoid bacteria. Staphylococcus aureus is a Gram-positive bacterium that causes food poisoning, toxic shock syndrome and skin and wound infections such as scalded skin syndrome — Stock Photo
    Illustration of Staphylococcus aureus (MRSA) coccoid bacteria. Staphylococcus aureus is a Gram-positive bacterium that causes food poisoning, toxic shock syndrome and skin and wound infections such as scalded skin syndrome
    Human scalp with dandruff, digital illustration. — Stock Photo
    Human scalp with dandruff, digital illustration.
    Colored illustration of amyloid plaques on nerve cell. — Stock Photo
    Colored illustration of amyloid plaques on nerve cell.
    Cell infected with virus particles causing a programmed cell death, 3d illustration — Stock Photo
    Cell infected with virus particles causing a programmed cell death, 3d illustration
    Fibrous-cavernous pulmonary tuberculosis cavity in right lung with well-formed fibrous layer. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis cavity in right lung with well-formed fibrous layer.
    Diseased lungs in transparent female body on black background, computer illustration. — Stock Photo
    Diseased lungs in transparent female body on black background, computer illustration.
    Man standing on top of vehicle parked on the Makadikadi Salt Pans in Botswana. — Stock Photo
    Man standing on top of vehicle parked on the Makadikadi Salt Pans in Botswana.
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles) — Stock Photo
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles)
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    Scientific illustration of influenza virus particle. — Stock Photo
    Scientific illustration of influenza virus particle.
    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.
    Breast cancer. Illustration of malignant (cancerous) tumour (red) in woman breast — Stock Photo
    Breast cancer. Illustration of malignant (cancerous) tumour (red) in woman breast
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.