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Human immune system vector design with virus and bacteria illustration.

#96450468 - Human immune system vector design with virus and bacteria i

Futuristic immune system protection from infectious diseases concept with glowing low polygonal shield, virus and bacteria cells on dark blue background. Microbiology, immunology. Vector illustration. 向量圖像

#132956452 - Futuristic immune system protection from infectious disease

B-cell and T helper cells. Basic B-cells function: bind an antigen, receive help from a T helper cell, and differentiate into a plasma cell that secretes large amounts of antibodies. Human immune system

#84856801 - B-cell and T helper cells. Basic B-cells function: bind an

immune shield with reflect virus and bacteria, immune system defence concept - vector illustration 向量圖像

#85568577 - immune shield with reflect virus and bacteria, immune syste

Activation of B-cell leukocytes: lymphoblast, activation, B-cell, memory, virus, plasma cell, antibody, antigen, naive lymphocyte

#84931037 - Activation of B-cell leukocytes: lymphoblast, activation, B

Human immune system diagram

#93931995 - Human immune system diagram

Cytokines are released by cells and affect the behavior of other cells. Vector concept 向量圖像

#83312072 - Cytokines are released by cells and affect the behavior of

Cytokines and Cytokine receptor. signal transduction between cells. endocrine, paracrine and autocrine secretion.

#83417372 - Cytokines and Cytokine receptor. signal transduction betwee

Phagocytosis in three steps. Human immune system vector . cell eating - Vector

#126722846 - Phagocytosis in three steps. Human immune system vector . c

Virus attacks people vector illustration. Men and women wearing medical mask to avoiding infection flat style concept. Population during epidemic of disease

#123329725 - Virus attacks people vector illustration. Men and women wea

Adaptive immune system from Antigen presentation to activation of other immune cells. specific immune. T-helper and T-killer cells. Memory and Effector cells. Viruse, Lymphocyte, antibody and antigen. Vector diagram for educational, biological, and science use

#119627956 - Adaptive immune system from Antigen presentation to activat

Cell-mediated immunity. T lymphocytes do not secrete antibodies. this response incorporates activated macrophages, natural killer cells, antigen-specific cytotoxic T-lymphocytes as well as release of cytokines.

#56717100 - Cell-mediated immunity. T lymphocytes do not secrete antibo

Antibody molecule, antigen and red blood cells in blood flow, under microscope red background vector. Illustration easy editable for your color.

#94276537 - Antibody molecule, antigen and red blood cells in blood flo

Probiotics poster vector, special food and ingredients tempeh and bow, kombucha and kimchi, kefir and yogurt, multicolor probiotic icons, pickles and miso for weight loss immunity 向量圖像

#122622695 - Probiotics poster vector, special food and ingredients temp

Antibody and Virus. Illustration Health care and medical infographic.

#111267412 - Antibody and Virus. Illustration Health care and medical in

humeral immunity. Lymphocyte, antibody and antigen.

#56717095 - humeral immunity. Lymphocyte, antibody and antigen.

B cells, also known as B lymphocytes, are a type of white blood cell of the lymphocyte subtype. They function in the humoral immunity component of the adaptive immune system by secreting antibodies. 向量圖像

#93720952 - B cells, also known as B lymphocytes, are a type of white b

Sports woman reflects bacteria. Protecting immune system from bad bacteria. Barrier against viruses.

#111459589 - Sports woman reflects bacteria. Protecting immune system fr

vector illustration of bacteria and pathogens in circle shape design for health protection concepts

#87109378 - vector illustration of bacteria and pathogens in circle sha

Activation of B-cell leukocytes illustration.

#89042576 - Activation of B-cell leukocytes illustration.

A T cell, or T lymphocyte, is a type of lymphocyte (a subtype of white blood cell) that plays a central role in cell-mediated immunity.

#93719953 - A T cell, or T lymphocyte, is a type of lymphocyte (a subty

vector illustration of bacteria and pathogens in flow or stream design for health protection concepts with shield

#102568382 - vector illustration of bacteria and pathogens in flow or st

B-cells and T-cells schematic diagram, vector illustration, immune system cell functions. 向量圖像

#93720951 - B-cells and T-cells schematic diagram, vector illustration,

Healthy Boy reflect bacteria attack. Healthy lifestyle. 向量圖像

#108476367 - Healthy Boy reflect bacteria attack. Healthy lifestyle.

Cytotoxic T cell vector illustration 向量圖像

#97122078 - Cytotoxic T cell vector illustration

Lymphatic system in human body illustration 向量圖像

#58834088 - Lymphatic system in human body illustration

#130033797 - immune system, immunology icon

The structure of the antibody (immunoglobulin). Antibody binds to a specific antigen

#110470858 - The structure of the antibody (immunoglobulin). Antibody bi

Girl has runny nose and viruses around. 向量圖像

#110687887 - Girl has runny nose and viruses around.

vector illustration of anatomy of cervical lymph nodes

#98560331 - vector illustration of anatomy of cervical lymph nodes

Bio signaling cell communication network system, micro biological anatomy labeled diagram vector illustration with receptor, transduction and response activity. Cell cross section scheme. 向量圖像

#103166995 - Bio signaling cell communication network system, micro biol

Vaccination Poster Medical Immunization Concept Clinic Healthcare Protection Flat Vector Illustration

#85196321 - Vaccination Poster Medical Immunization Concept Clinic Heal

Sports man reflects bacteria. Protecting immune system from bad bacteria. Barrier against viruses. 向量圖像

#113766923 - Sports man reflects bacteria. Protecting immune system from

Lymphatic system anatomical vector illustration diagram, educational medical scheme with lymph nodes and tissue fluid circulation flow. 向量圖像

#95732486 - Lymphatic system anatomical vector illustration diagram, ed

Cytokines are produced by macrophages, lymphocytes, mast cells, endothelial cells and fibroblasts. Cytokines include chemokines, interferons, interleukins, lymphokines, and tumour necrosis factors, but not hormones or growth factors

#83318891 - Cytokines are produced by macrophages, lymphocytes, mast ce

The lymph system, relationship of lymphatic capillaries to tissue cells and blood capillaries, medical illustration.

#91760544 - The lymph system, relationship of lymphatic capillaries to

Activation of T-cell leukocytes. T-cell encounters its cognate antigen on the surface of an infected cell. T cells direct and regulate immune responses and attack infected or cancerous cells. 向量圖像

#84800618 - Activation of T-cell leukocytes. T-cell encounters its cog

A Vector of Lupus Erythematosus illustration

#102730642 - A Vector of Lupus Erythematosus illustration

Vector illustration. Doctor injects vaccine in a patient's shoulder. Close up view. For medical publications, immunization and bacterial disease. 向量圖像

#125520366 - Vector illustration. Doctor injects vaccine in a patients s

Bacteria 3D low poly render probiotics.

#124991740 - Bacteria 3D low poly render probiotics.

Orthopedics, physiotherapy, spine, alternative practitioner, hands 向量圖像

#92678737 - Orthopedics, physiotherapy, spine, alternative practitioner

A young boy lymph nodes anatomy illustration 向量圖像

#112365587 - A young boy lymph nodes anatomy illustration

Bacteria Cell Poster Closeup Vector Illustration

#114492662 - Bacteria Cell Poster Closeup Vector Illustration

Healthy woman reflect bacteria attack with punching. Concept illustration about boost Immunity with Exercise.

#104605075 - Healthy woman reflect bacteria attack with punching. Concep

Systemic lupus erythematosus 向量圖像

#99323043 - Systemic lupus erythematosus

Bacteria 3D low poly render probiotics. Healthy normal digestion flora of human intestine yoghurt production. Modern science technology medicine allergy immunity thearment vector illustration art 向量圖像

#125140398 - Bacteria 3D low poly render probiotics. Healthy normal dige

Immune system. Human anatomy. Human silhouette with internal organs.

#128230615 - Immune system. Human anatomy. Human silhouette with interna

Vaccination concept infographics. health and medical vector illustration.

#83315629 - Vaccination concept infographics. health and medical vector

Cancer and cytotoxic T-cells. T lymphocyte kills cancer cells. T-cell (immune responses), release the perforin and granzymes, and attack cancerous cells. Through the action of perforin, granzymes enter the cytoplasm of the target cell, and lead to apoptosis (cell death).

#119628023 - Cancer and cytotoxic T-cells. T lymphocyte kills cancer cel

Set of Colored Probiotics Pills with Various Symbiotic Human Bacteria Inside of Opened Soluble Shell Realistic Vector Isolated on White Background. Human Immunity Support, Dysbacteriosis Treatment 向量圖像

#114364339 - Set of Colored Probiotics Pills with Various Symbiotic Huma

Multiple myeloma, cancer of the bone marrow concept illustration.

#90653592 - Multiple myeloma, cancer of the bone marrow concept illustr

A Pityriasis on Human Skin illustration

#102731463 - A Pityriasis on Human Skin illustration

Children of various types of sports, such as soccer, boxing, running, badminton, taekwondo, play tennis, volleyball.Sports help make body strong and also build immunity for kids.

#88019701 - Children of various types of sports, such as soccer, boxing

Stay Safe rubber stamp

#82411610 - Stay Safe rubber stamp

Hepatitis infection.cartoon vector illustration.

#92098639 - Hepatitis infection.cartoon vector illustration.

Bacteria 3D low poly render probiotics. Healthy normal digestion flora of human intestine yoghurt production. Modern science technology medicine allergy immunity thearment vector illustration art 向量圖像

#111629901 - Bacteria 3D low poly render probiotics. Healthy normal dige

Person and spine, orthopedics, physiotherapy vector

#89178442 - Person and spine, orthopedics, physiotherapy vector

Female Doctor With Coronavirus Disease, Covid-19 Preventions, Steps to Protection Yourself And Others, Healthcare, Covid, Respiratory, Safety, Protection, Outbreak, Pathogen

#142267186 - Female Doctor With Coronavirus Disease, Covid-19 Prevention

vector illustration of allergic itching of the skin 向量圖像

#114782405 - vector illustration of allergic itching of the skin

Kids vaccination benefits promotion poster with child health protection shield symbol doctor with syringe cartoon vector illustration

#111823912 - Kids vaccination benefits promotion poster with child healt

Drug awareness prevention International 26 June

#109356904 - Drug awareness prevention International 26 June

Two hands and spine, orthopedics, physiotherapy vector

#89178450 - Two hands and spine, orthopedics, physiotherapy vector

Inflammation of the soft tissue in the mouth and pain in swallowing occurs.
Caused by streptococcus bacterial infection including some viruses that causes redness and swelling in the throat and tonsils Pain in swallowing. Illustration.

#99171415 - Inflammation of the soft tissue in the mouth and pain in sw

Edible seaweed: laminaria, macrocystis, chlorella and fucus. Health benefits, beneficial properties. Funny hand drawn infographic poster. Cartoon vector illustration. Isolated on white. 向量圖像

#124277454 - Edible seaweed: laminaria, macrocystis, chlorella and fucus

Doctor with a syringe in his hands. 向量圖像

#82338742 - Doctor with a syringe in his hands.

#80930955 - Registered Trademark sign. Vector. White icon with soft sha

Bacteria probiotics illustration 向量圖像

#130396117 - Bacteria probiotics illustration

Vaccination. Injection with a medical syringe, vector illustration

#161368552 - Vaccination. Injection with a medical syringe, vector illus

Health benefits of ripe tomatoes. Medicine icons and elements in hand drawn style on a textured background. Vector illustration made in orange, red and green colors. 向量圖像

#53406602 - Health benefits of ripe tomatoes. Medicine icons and elemen

#111760445 - Insuline bottle icon. Simple illustration of insuline bottl

Gut flora vector illustration. Flat tiny gastrointestinal microbe person concept. Abstract digestive stomach living organisms for healthy life. Lactobacilli, coli and intestinal system environment. 向量圖像

#127452763 - Gut flora vector illustration. Flat tiny gastrointestinal m

Bone cancer tumor and oncology marrow disease 向量圖像

#115707537 - Bone cancer tumor and oncology marrow disease

#52180936 - Registered Trademark sign. Flat style icon on transparent b

Hand, leaves, spine, back, naturopath 向量圖像

#71022570 - Hand, leaves, spine, back, naturopath

Autoimmune disorders. For example Gonorrhea (sexually transmitted infection) and Arthritis. Antigens of bacterium Neisseria gonorrhoeae are similar to self-molecules of healthy joint cells. normal immune response can result in the production of antibodies that bind to healthy cells of joint, and caused of inflammation

#119627970 - Autoimmune disorders. For example Gonorrhea (sexually trans

Cells of immunity. Set. Leukocyte, lymphocyte, eosinophil, neutrophil, monocyte, basophil dendritic cell Vector illustration on isolated background

#80876872 - Cells of immunity. Set. Leukocyte, lymphocyte, eosinophil,

Doctor giving patient vaccine, Medicine healthcare concept, Vector illustration

#161545640 - Doctor giving patient vaccine, Medicine healthcare concept,

#161179914 - Antibody testing concept icon. Covid testing type idea thin

Contagion word cloud concept. Vector illustration

#70957491 - Contagion word cloud concept. Vector illustration

Innate immunity. Adaptive specific immunity. Phagocytosis. Infographics vector illustration

#71056259 - Innate immunity. Adaptive specific immunity. Phagocytosis.

Types of white blood cells. Infographics.

#52698232 - Types of white blood cells. Infographics.

immune system protection. bacteria, virus infection

#50420622 - immune system protection. bacteria, virus infection

#76969480 - Immune system icon set in a circle. Stock vector illustrati

Vaccination nurse, patient in fear. Doctor making treatment with a vaccine to produce immunity against disease, young man afraid of inoculation campaign. Vector illustration with faceless characters

#98026521 - Vaccination nurse, patient in fear. Doctor making treatment

#122402331 - Thermometer, high temperature, fever line icon.

#127607125 - Cancer cell icon

Cherry tea. Tea cooked with love. A tall glass for mulled wine with berries of cherry, decorated with leaves and flowers

#121821742 - Cherry tea. Tea cooked with love. A tall glass for mulled w

Vector medical vial illustration isolated on white. Epidemic vaccination concept

#101236112 - Vector medical vial illustration isolated on white. Epidemi

Ornament patterns, diagonal stripes and stars. Bug and vaccine syringe injection icons. Heart and spray can sign symbols. Geometric textures. Vector

#111101804 - Ornament patterns, diagonal stripes and stars. Bug and vacc

Vaccination concept. Syringe piercing the virus, vector illustration in flat style. Template for brochure or web banner 向量圖像

#126499520 - Vaccination concept. Syringe piercing the virus, vector ill

Bug and vaccine syringe injection icons. Heart and caution with exclamation sign symbols. Random dynamic shapes. Gradient bug icon. Vector

#125956706 - Bug and vaccine syringe injection icons. Heart and caution

Set Of 13 transparent editable icons such as Human Nostril, Three Bacteria, Digestive System, Liver, Big Lips, Men Shoulder, Bronchioles, Tooth and Gums, Hip Bone, web ui icon pack 向量圖像

#106033810 - Set Of 13 transparent editable icons such as Human Nostril,

Microscopic Virus Cell 向量圖像

#126154985 - Microscopic Virus Cell

Abstract virus image on backdrop and H5N1 text. H5N1 virus danger relative illustration. Medical research theme. Virus epidemic alert 向量圖像

#122894213 - Abstract virus image on backdrop and H5N1 text. H5N1 virus

Full length cartoon illustration of powerful and healthy super girl, flying high in the sky above the city.

#112835510 - Full length cartoon illustration of powerful and healthy su

Full length line art illustration of cartoon brave superheroine standing alone in confrontation with the forces of evil as concept for courage and positive power.

#112835618 - Full length line art illustration of cartoon brave superher

Full length line art illustration of super baby smiling while flying.

#112835714 - Full length line art illustration of super baby smiling whi

Set of different orders of virus, black and white vector illustration

#123190506 - Set of different orders of virus, black and white vector il

Vaccination infographic thin line icons in half circle illustration. 向量圖像

#100346003 - Vaccination infographic thin line icons in half circle illu

Silhouette illustration of brave cartoon superheroine standing alone in confrontation with the forces of evil as concept for courage and positive power. Copyspace included. 向量圖像

#120435662 - Silhouette illustration of brave cartoon superheroine stand

Cartoon silhouette illustration of powerful and healthy super girl, flying against ray light background for copy space. 向量圖像

#120435786 - Cartoon silhouette illustration of powerful and healthy sup

Full length silhouette illustration of happy super mom and super dad with super baby, flying in the sky.....

#120435805 - Full length silhouette illustration of happy super mom and

Baby is protected from bacteria and viruses. 向量圖像

#100561896 - Baby is protected from bacteria and viruses.

Microscopic Virus Cell 向量圖像

#125713277 - Microscopic Virus Cell

shield contract world copyright of intellectual vector illustration

#125773518 - shield contract world copyright of intellectual vector illu

vector illustration of healthy superfood beet latte in bright pink color

#120178750 - vector illustration of healthy superfood beet latte in brig

Children scheduled vaccination advertisement brochure. Vector graphic illustration of medical ampoule and syringe for injections.

#124049638 - Children scheduled vaccination advertisement brochure. Vect

red vector bubble banner exempt 向量圖像

#124182146 - red vector bubble banner exempt

This is a schematic illustration of the effect of the medicine that defeat cancer called Nivolumab. 向量圖像

#116159106 - This is a schematic illustration of the effect of the medic

Cherry tea. Tea cooked with love. A tall glass for mulled wine with berries of cherry, decorated with leaves and flowers

#114832182 - Cherry tea. Tea cooked with love. A tall glass for mulled w

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關於123RF

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Corporate+

123rf合作夥伴計劃

123RF的增值經銷計劃

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法律規範

Legal

執照

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權力條規

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