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© Getty Images
0 / 30 Fotos
West Nile virus
- West Nile virus is the most common mosquito-transmitted disease in the United States. Most people experience no symptoms, but around 20% develop fevers, headaches, body aches, rashes, and swollen lymph glands.
© Shutterstock
1 / 30 Fotos
Ringworm
- Ringworm is a common fungal infection that causes a red, circular, itchy rash spread by skin-to-skin contact. In 2023, the CDC reported two cases of treatment-resistant ringworm in New York City.
© Shutterstock
2 / 30 Fotos
Mpox
- Mpox, formerly known as monkeypox, is a viral infection that causes flu-like symptoms and a rash with raised bumps. It spreads through close contact with an infected person or animal.
© Shutterstock
3 / 30 Fotos
Human papillomavirus (HPV)
- HPV is a common virus transmitted through direct skin-to-skin contact, including sexual contact. HPV causes warts on the body, and some strains of HPV can lead to cervical cancer.
© Shutterstock
4 / 30 Fotos
Conjunctivitis
- Conjunctivitis, or "pink eye," is an inflammation or infection of the conjunctiva, the thin, clear tissue that lines the inside of the eyelid and covers the white of the eyeball. Bacterial and viral conjunctivitis are highly contagious.
© Shutterstock
5 / 30 Fotos
Meningococcal disease
- Meningococcal disease can lead to serious infections like meningitis or septicemia. It is spread via coughing or kissing. Fever, a stiff neck, and a headache are common symptoms. Vaccines are available to help prevent meningococcal disease.
© Shutterstock
6 / 30 Fotos
Lyme disease
- Lyme disease is a bacterial infection spread to humans by infected ticks. The most common symptom is a rash that looks like a bullseye target. Other symptoms include fever, headache, fatigue, and muscle aches.
© Shutterstock
7 / 30 Fotos
Whooping cough
- Whooping cough is highly contagious and easily spread through coughing and sneezing. It can cause serious illness and is particularly dangerous for babies. The US logs around 20,000 cases of whooping cough every year.
© Shutterstock
8 / 30 Fotos
Rotavirus
- Rotavirus is highly contagious and is common in infants and young children. Symptoms include diarrhea, vomiting, fever, abdominal pain, and dehydration. Vaccinations are available to prevent rotavirus infections.
© Shutterstock
9 / 30 Fotos
Shingles
- Shingles is caused by the same virus that causes chickenpox. It is spread through direct contact with a shingles rash or by breathing in virus particles.
© Shutterstock
10 / 30 Fotos
Respiratory syncytial virus (RSV)
- RSV, or respiratory syncytial virus, is a common virus that infects the respiratory tract. Symptoms are usually similar to a cold, but in infants and young children, particularly those with weakened immune systems, it can lead to bronchiolitis or pneumonia.
© Shutterstock
11 / 30 Fotos
Human immunodeficiency virus (HIV)
- Human immunodeficiency virus, or HIV, is a virus that attacks the body's immune system, targeting the CD4 cells, a type of white blood cell. HIV is most commonly spread through unprotected sex, sharing needles, or from mother to child during childbirth or breastfeeding.
© Shutterstock
12 / 30 Fotos
Chickenpox
- Chickenpox is a highly contagious infection that causes an itchy, blister-like rash. It mostly affects children, but can be caught at any age.
© Shutterstock
13 / 30 Fotos
Hepatitis C
- Hepatitis C is a viral infection that affects the liver. It is typically spread through contact with infected blood, such as sharing needles or having unprotected sex.
© Shutterstock
14 / 30 Fotos
Pneumonia
- Pneumonia is an infection in one or both lungs caused by bacteria, viruses, or fungi. Symptoms include cough, fever, chills, and difficulty breathing. It is spread by coughs and sneezes.
© Shutterstock
15 / 30 Fotos
Salmonella
- Salmonella bacteria can be transmitted from animals to people and from person to person. Salmonella is commonly found in raw or undercooked poultry, eggs, meat, and unpasteurized dairy products.
© Shutterstock
16 / 30 Fotos
Norovirus
- Norovirus is the leading cause of vomiting, diarrhea, and foodborne illness in the US. The virus is very contagious and is spread through contaminated food, water, or surfaces.
© Shutterstock
17 / 30 Fotos
Gonorrhea
- Gonorrhea is a sexually transmitted infection (STI) that can include pain during urination or unusual discharge from the genitals. Many people with gonorrhea don't have symptoms, making it easy to spread unknowingly.
© Shutterstock
18 / 30 Fotos
Syphilis
- Syphilis is spread by having unprotected sex. It is highly contagious when there is a sore or rash present. Syphilis can be treated with antibiotics, especially in the early stages.
© Shutterstock
19 / 30 Fotos
Shigellosis
- Shigellosis is a bacterial infection that causes diarrhea, abdominal pain, and fever. It is highly contagious and spreads through contaminated food, water, or surfaces.
© Shutterstock
20 / 30 Fotos
Herpes simplex virus 2
- Herpes simplex virus 2 is a viral infection that is the most common cause of genital herpes. HSV-2 is extremely contagious and is spread through sexual contact with an infected person.
© Shutterstock
21 / 30 Fotos
Herpes simplex virus 1
- Herpes simplex virus 1 includes painful blisters or sores around the mouth, fever, and swollen lymph nodes. HSV-1 is very contagious and is spread through close contact, especially during outbreaks when sores or blisters are present.
© Shutterstock
22 / 30 Fotos
E. coli
- While E.coli is found in the intestines, certain strains of E.coli outside of the body can cause infection. People mostly get sick from E.coli by ingesting contaminated food or water. It can also be transmitted from animals to people and from person to person.
© Shutterstock
23 / 30 Fotos
Strep throat
- Strep throat is a common and contagious bacterial infection that is spread through respiratory droplets or direct contact.
© Shutterstock
24 / 30 Fotos
Common cold
- The common cold is a viral infectious disease that affects the upper respiratory tract. Transmission is by direct contact or by inhaling respiratory droplets released into the air when an infected person coughs or sneezes.
© Shutterstock
25 / 30 Fotos
COVID-19
- COVID-19 is a contagious disease that affects the lungs and respiratory system. It spreads easily through close contact with people who have the virus. Over one million Americans have died from COVID.
© Shutterstock
26 / 30 Fotos
Staph
- Staph is a contagious bacterial infection that enters the body through cuts or wounds via skin-to-skin contact and from surfaces like phones or door handles touched by an infected person.
© Shutterstock
27 / 30 Fotos
Influenza A and B
- Between 3% and 11% of people in the US get influenza, or the flu, each year. Symptoms include fever, chills, muscle ache, tiredness, sore throat, and congestion. An annual seasonal vaccine can reduce the risk of catching the flu.
© Shutterstock
28 / 30 Fotos
Chlamydia
- Chlamydia is the most commonly reported sexually transmitted infection in the US. Chlamydia is often symptomless, so people spread it without realizing they are infected. If left untreated, it can lead to serious health issues such as pelvic inflammatory disease and infertility.
Sources: (WebMD) (Yale Medicine) (Cleveland Clinic)
See also: Stars who suffer from rare diseases
© Shutterstock
29 / 30 Fotos
© Getty Images
0 / 30 Fotos
West Nile virus
- West Nile virus is the most common mosquito-transmitted disease in the United States. Most people experience no symptoms, but around 20% develop fevers, headaches, body aches, rashes, and swollen lymph glands.
© Shutterstock
1 / 30 Fotos
Ringworm
- Ringworm is a common fungal infection that causes a red, circular, itchy rash spread by skin-to-skin contact. In 2023, the CDC reported two cases of treatment-resistant ringworm in New York City.
© Shutterstock
2 / 30 Fotos
Mpox
- Mpox, formerly known as monkeypox, is a viral infection that causes flu-like symptoms and a rash with raised bumps. It spreads through close contact with an infected person or animal.
© Shutterstock
3 / 30 Fotos
Human papillomavirus (HPV)
- HPV is a common virus transmitted through direct skin-to-skin contact, including sexual contact. HPV causes warts on the body, and some strains of HPV can lead to cervical cancer.
© Shutterstock
4 / 30 Fotos
Conjunctivitis
- Conjunctivitis, or "pink eye," is an inflammation or infection of the conjunctiva, the thin, clear tissue that lines the inside of the eyelid and covers the white of the eyeball. Bacterial and viral conjunctivitis are highly contagious.
© Shutterstock
5 / 30 Fotos
Meningococcal disease
- Meningococcal disease can lead to serious infections like meningitis or septicemia. It is spread via coughing or kissing. Fever, a stiff neck, and a headache are common symptoms. Vaccines are available to help prevent meningococcal disease.
© Shutterstock
6 / 30 Fotos
Lyme disease
- Lyme disease is a bacterial infection spread to humans by infected ticks. The most common symptom is a rash that looks like a bullseye target. Other symptoms include fever, headache, fatigue, and muscle aches.
© Shutterstock
7 / 30 Fotos
Whooping cough
- Whooping cough is highly contagious and easily spread through coughing and sneezing. It can cause serious illness and is particularly dangerous for babies. The US logs around 20,000 cases of whooping cough every year.
© Shutterstock
8 / 30 Fotos
Rotavirus
- Rotavirus is highly contagious and is common in infants and young children. Symptoms include diarrhea, vomiting, fever, abdominal pain, and dehydration. Vaccinations are available to prevent rotavirus infections.
© Shutterstock
9 / 30 Fotos
Shingles
- Shingles is caused by the same virus that causes chickenpox. It is spread through direct contact with a shingles rash or by breathing in virus particles.
© Shutterstock
10 / 30 Fotos
Respiratory syncytial virus (RSV)
- RSV, or respiratory syncytial virus, is a common virus that infects the respiratory tract. Symptoms are usually similar to a cold, but in infants and young children, particularly those with weakened immune systems, it can lead to bronchiolitis or pneumonia.
© Shutterstock
11 / 30 Fotos
Human immunodeficiency virus (HIV)
- Human immunodeficiency virus, or HIV, is a virus that attacks the body's immune system, targeting the CD4 cells, a type of white blood cell. HIV is most commonly spread through unprotected sex, sharing needles, or from mother to child during childbirth or breastfeeding.
© Shutterstock
12 / 30 Fotos
Chickenpox
- Chickenpox is a highly contagious infection that causes an itchy, blister-like rash. It mostly affects children, but can be caught at any age.
© Shutterstock
13 / 30 Fotos
Hepatitis C
- Hepatitis C is a viral infection that affects the liver. It is typically spread through contact with infected blood, such as sharing needles or having unprotected sex.
© Shutterstock
14 / 30 Fotos
Pneumonia
- Pneumonia is an infection in one or both lungs caused by bacteria, viruses, or fungi. Symptoms include cough, fever, chills, and difficulty breathing. It is spread by coughs and sneezes.
© Shutterstock
15 / 30 Fotos
Salmonella
- Salmonella bacteria can be transmitted from animals to people and from person to person. Salmonella is commonly found in raw or undercooked poultry, eggs, meat, and unpasteurized dairy products.
© Shutterstock
16 / 30 Fotos
Norovirus
- Norovirus is the leading cause of vomiting, diarrhea, and foodborne illness in the US. The virus is very contagious and is spread through contaminated food, water, or surfaces.
© Shutterstock
17 / 30 Fotos
Gonorrhea
- Gonorrhea is a sexually transmitted infection (STI) that can include pain during urination or unusual discharge from the genitals. Many people with gonorrhea don't have symptoms, making it easy to spread unknowingly.
© Shutterstock
18 / 30 Fotos
Syphilis
- Syphilis is spread by having unprotected sex. It is highly contagious when there is a sore or rash present. Syphilis can be treated with antibiotics, especially in the early stages.
© Shutterstock
19 / 30 Fotos
Shigellosis
- Shigellosis is a bacterial infection that causes diarrhea, abdominal pain, and fever. It is highly contagious and spreads through contaminated food, water, or surfaces.
© Shutterstock
20 / 30 Fotos
Herpes simplex virus 2
- Herpes simplex virus 2 is a viral infection that is the most common cause of genital herpes. HSV-2 is extremely contagious and is spread through sexual contact with an infected person.
© Shutterstock
21 / 30 Fotos
Herpes simplex virus 1
- Herpes simplex virus 1 includes painful blisters or sores around the mouth, fever, and swollen lymph nodes. HSV-1 is very contagious and is spread through close contact, especially during outbreaks when sores or blisters are present.
© Shutterstock
22 / 30 Fotos
E. coli
- While E.coli is found in the intestines, certain strains of E.coli outside of the body can cause infection. People mostly get sick from E.coli by ingesting contaminated food or water. It can also be transmitted from animals to people and from person to person.
© Shutterstock
23 / 30 Fotos
Strep throat
- Strep throat is a common and contagious bacterial infection that is spread through respiratory droplets or direct contact.
© Shutterstock
24 / 30 Fotos
Common cold
- The common cold is a viral infectious disease that affects the upper respiratory tract. Transmission is by direct contact or by inhaling respiratory droplets released into the air when an infected person coughs or sneezes.
© Shutterstock
25 / 30 Fotos
COVID-19
- COVID-19 is a contagious disease that affects the lungs and respiratory system. It spreads easily through close contact with people who have the virus. Over one million Americans have died from COVID.
© Shutterstock
26 / 30 Fotos
Staph
- Staph is a contagious bacterial infection that enters the body through cuts or wounds via skin-to-skin contact and from surfaces like phones or door handles touched by an infected person.
© Shutterstock
27 / 30 Fotos
Influenza A and B
- Between 3% and 11% of people in the US get influenza, or the flu, each year. Symptoms include fever, chills, muscle ache, tiredness, sore throat, and congestion. An annual seasonal vaccine can reduce the risk of catching the flu.
© Shutterstock
28 / 30 Fotos
Chlamydia
- Chlamydia is the most commonly reported sexually transmitted infection in the US. Chlamydia is often symptomless, so people spread it without realizing they are infected. If left untreated, it can lead to serious health issues such as pelvic inflammatory disease and infertility.
Sources: (WebMD) (Yale Medicine) (Cleveland Clinic)
See also: Stars who suffer from rare diseases
© Shutterstock
29 / 30 Fotos
The most common infectious diseases in the US
Protect yourself against these infectious illnesses
© Getty Images
When microscopic germs like bacteria and viruses enter the body, they can cause infections, leading to illness and disease. Diseases that spread from person to person are said to be infectious and can range in severity depending on the pathogen involved, the mode of transmission, and the individual's immune response. And some infections spread to people from animals or insects but aren't spread to other humans.
That said, do you know which infectious diseases are most common in the US? Find out by clicking through this informative gallery.
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