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    Illustration of antibodies (y-shaped) responding to an infection with the new coronavirus SARS-CoV-2 — Stock Photo
    Illustration of antibodies (y-shaped) responding to an infection with the new coronavirus SARS-CoV-2
    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    Illustration of a dendritic cell (centre, purple) activating T-cells (teal). Dendritic cells recognise viruses and present information about their antigens to T-cells — Stock Photo
    Illustration of a dendritic cell (centre, purple) activating T-cells (teal). Dendritic cells recognise viruses and present information about their antigens to T-cells
    Antibodies binding influenza virus. Illustration of human antibodies (orange) neutralizing a influenza virus particle (blue). Each Y-shaped molecule has two arms that can bind to specific antigens — Stock Photo
    Antibodies binding influenza virus. Illustration of human antibodies (orange) neutralizing a influenza virus particle (blue). Each Y-shaped molecule has two arms that can bind to specific antigens
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Digital illustration of pink antibodies attacking blue virus particle. — Stock Photo
    Digital illustration of pink antibodies attacking blue virus particle.
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Young female in black dress and protective respirator mask walking down stairs in modern building during coronavirus pandemic — Stock Photo
    Young female in black dress and protective respirator mask walking down stairs in modern building during coronavirus pandemic
    Serious ethnic athletic male firefighter with hardhat in hand standing near row of metal lockers with helmets on top and orange uniform hanging while having conversation using walkie talkie — Stock Photo
    Serious ethnic athletic male firefighter with hardhat in hand standing near row of metal lockers with helmets on top and orange uniform hanging while having conversation using walkie talkie
    Computer illustration of amyloid plaques (yellow) amongst neurons. — Stock Photo
    Computer illustration of amyloid plaques (yellow) amongst neurons.
    A male lion (Panthera leo) showing the Flehmen response by opening his mouth wide roaring. Serengeti National Park; Tanzania — Stock Photo
    A male lion (Panthera leo) showing the Flehmen response by opening his mouth wide roaring. Serengeti National Park; Tanzania
    Cropped unrecognizable saleswoman in shop with bottling eco detergents pouring cleanser while preparing order of client at counter — Stock Photo
    Cropped unrecognizable saleswoman in shop with bottling eco detergents pouring cleanser while preparing order of client at counter
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Active female eco volunteer in protective mask and gloves collecting trash from creek into garbage bag in summer forest — Stock Photo
    Active female eco volunteer in protective mask and gloves collecting trash from creek into garbage bag in summer forest
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center) — Stock Photo
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center)
    Human red blood cells — Stock Photo
    Human red blood cells
    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.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Group of social active children with man volunteer collecting garbage into trash bag during environmental campaign in summer nature — Stock Photo
    Group of social active children with man volunteer collecting garbage into trash bag during environmental campaign in summer nature
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    White blood cell — Stock Photo
    White blood cell
    Group of social active children with man volunteer collecting garbage into trash bag during environmental campaign in summer nature — Stock Photo
    Group of social active children with man volunteer collecting garbage into trash bag during environmental campaign in summer nature
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Illustration of a dendritic cell, a type of white blood cell that is a component of the body's immune system — Stock Photo
    Illustration of a dendritic cell, a type of white blood cell that is a component of the body's immune system
    Blind man walking with guide dog in subway — Stock Photo
    Blind man walking with guide dog in subway
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Illustration of a dendritic cell (centre, purple) activating T-cells (teal). Dendritic cells recognise viruses and present information about their antigens to T-cells — Stock Photo
    Illustration of a dendritic cell (centre, purple) activating T-cells (teal). Dendritic cells recognise viruses and present information about their antigens to T-cells
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Dirty used medical masks on sandy beach showing concept of pollution with plastic waste — Stock Photo
    Dirty used medical masks on sandy beach showing concept of pollution with plastic waste
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Back view of shirtless man sitting on plastic chair near store at street scene — Stock Photo
    Back view of shirtless man sitting on plastic chair near store at street scene
    White blood cell — Stock Photo
    White blood cell
    Back view of unrecognizable female adolescent carrying handmade wooden nesting box for birds while gathering with volunteers during environmental campaign in summer park — Stock Photo
    Back view of unrecognizable female adolescent carrying handmade wooden nesting box for birds while gathering with volunteers during environmental campaign in summer park
    Neutrophil is a granulocyte, a part of the innate immune system. — Stock Photo
    Neutrophil is a granulocyte, a part of the innate immune system.
    Antibodies attacking influenza viruses — Stock Photo
    Antibodies attacking influenza viruses
    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.
    Illustration of person being vaccinated against Covid-19. injection has stimulated production of different antibodies against proteins on SARS-CoV-2 virus causes Covid-19 — Stock Photo
    Illustration of person being vaccinated against Covid-19. injection has stimulated production of different antibodies against proteins on SARS-CoV-2 virus causes Covid-19
    Male activist in protective mask and gloves explaining task to group of kids collecting garbage during environmental campaign in summer forest — Stock Photo
    Male activist in protective mask and gloves explaining task to group of kids collecting garbage during environmental campaign in summer forest
    Blind man walking with guide dog in subway — Stock Photo
    Blind man walking with guide dog in subway
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells. — Stock Photo
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells.
    Normal White blood cell — Stock Photo
    Normal White blood cell
    Top view of bag with modern photo accessories and white respirator mask placed on chair in room — Stock Photo
    Top view of bag with modern photo accessories and white respirator mask placed on chair in room
    Illustration of person being vaccinated against Covid-19. injection has stimulated production of different antibodies against proteins on SARS-CoV-2 virus causes Covid-19 — Stock Photo
    Illustration of person being vaccinated against Covid-19. injection has stimulated production of different antibodies against proteins on SARS-CoV-2 virus causes Covid-19
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center) — Stock Photo
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center)
    Side view of male activist hanging handmade wooden birdhouse on tree branch in summer day in green forest — Stock Photo
    Side view of male activist hanging handmade wooden birdhouse on tree branch in summer day in green forest
    Computer illustration of mast cell secreting biologically active compounds near cancer tumour. — Stock Photo
    Computer illustration of mast cell secreting biologically active compounds near cancer tumour.
    Antibodies attacking coronavirus particle, illustration. — Stock Photo
    Antibodies attacking coronavirus particle, illustration.
    From above of folded jeans with white protective mask in pocket and car keys placed on white background in light studio — Stock Photo
    From above of folded jeans with white protective mask in pocket and car keys placed on white background in light studio
    Top view of bag with modern photo accessories and white respirator mask placed on chair in room — Stock Photo
    Top view of bag with modern photo accessories and white respirator mask placed on chair in room
    Blind man walking with guide dog in subway — Stock Photo
    Blind man walking with guide dog in subway
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells. — Stock Photo
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells.
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple. — Stock Photo
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple.
    Back view of unrecognizable female volunteer carrying garbage bag while cleaning green forest in summer day — Stock Photo
    Back view of unrecognizable female volunteer carrying garbage bag while cleaning green forest in summer day