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Other Infectious Diseases


Did You Know? is a weekly feature from the Office for State, Tribal, Local and Territorial Support to inform your prevention activities. We invite you to read, share, and take action!

View the Current Did You Know?

September 1, 2017

  • Malaria is on the rise in the United States, with 1,724 cases reported in 2014—the fourth highest number of cases since 1973.
  • Many people visiting friends and relatives in regions with malaria don’t use appropriate prevention measures.
  • CDC is available to assist health professionals with the diagnosis and confirmation of malaria.

August 25, 2017

August 18, 2017

  • Most fungi are not dangerous, but some types of fungal diseases can be harmful and even deadly for those with weakened immune systems.
  • Of the 1.5 million species of fungi, only about 300 of them are known to make people sick.
  • Sharing information to increase awareness about fungal diseases is one of the most important ways to reduce delays in diagnosis and treatment—and to potentially save lives.

June 16, 2017

June 9, 2017

  • Legionnaires’ disease is especially risky in healthcare settings, where many patients are more vulnerable to the disease.
  • One in 4 people [PDF-3.5MB] who gets sick with Legionnaires’ disease in a healthcare facility will die.
  • Healthcare facilities can protect patients from Legionnaires’ disease by implementing effective water management programs.

May 26, 2017

  • Cryptosporidiosis, or Crypto [PDF-307KB], is a recreational water illness that can cause prolonged diarrhea and serious illness—share CDC’s new swimmer hygiene posters and social media images to raise awareness about why people with diarrhea should not swim.
  • Crypto outbreaks linked to swimming have doubled in the United States since 2014, with at least 32 outbreaks in 13 states in 2016.
  • CDC’s CryptoNet can help state and local health departments investigate and control Crypto outbreaks.

April 7, 2017

  • About 1 in 10 US pregnant women with confirmed Zika infection in 2016 had a fetus or baby with birth defects.
  • Babies born with Zika-related birth defects require specialized follow-up care and developmental monitoring.
  • Health departments can coordinate pregnancy surveillance with Zika birth defects surveillance to ensure all affected babies are identified and families are connected to appropriate medical and social services.

March 3, 2017

  • The latest vaccination rates show that many adults are not fully vaccinated, leaving them vulnerable to preventable illnesses.
  • Find out what vaccines you may need—take CDC’s adult vaccine quiz and share your results with your doctor.
  • Health department staff and healthcare professionals can share CDC materials to educate adults about vaccinations they might need.

January 6, 2017

  • Vector-borne diseases are a major public health concern because they can be difficult to prevent and control.
  • CDC and its partners have developed a new training about controlling vectors that can spread pathogens, like Zika.  
  • Environmental and public health professionals can take the free training to access resources for controlling mosquitoes, ticks, rodents, and other vectors.

November 10, 2016

August 19, 2016

August 19, 2016

August 5, 2016

June 17, 2016

June 10, 2016

June 3, 2016

  • Human metapneumovirus (HMPV)—a recently identified virus—can cause respiratory disease, especially in young children.
  • HMPV leads to about 20,000 hospitalizations each year in the US among kids younger than 5 years.
  • Healthcare professionals should consider HMPV, along with flu and respiratory syncytial virus (RSV), as a potential diagnosis when they see patients with respiratory illness, especially during late winter and early spring.

April 15, 2016

April 8, 2016

February 19, 2016

  • Zika virus can be transmitted from mosquitos, a pregnant woman to her unborn baby, and a man to his sex partners.
  • Zika might be linked to microcephaly, but research is ongoing to learn more about the effects of Zika virus infection in pregnancy.
  • CDC has issued travel notices for people traveling to areas with Zika. Check CDC’s travel website often for a current list of areas with Zika.

December 18, 2015

  • The fungus that causes valley fever usually lives in soil in the US southwest, but it was recently identified in Washington State, much farther north.
  • People can get valley fever by inhaling dust carrying the fungus. Infected people can have flu-like symptoms for weeks or months.
  • Raising awareness of valley fever among healthcare providers and the public is an important way to minimize delays in diagnosis and treatment.

November 13, 2015

October 2, 2015

August 14, 2015

  • Too few adults are getting the vaccines they need to protect against serious, and sometimes deadly, diseases.
  • Healthcare providers should assess a patient’s vaccination status every visit and recommend any needed vaccines.
  • Public health professionals can use and share these helpful CDC resources to improve adult immunization practice and to encourage adults to get vaccinated.

August 7, 2015

  • Antibiotic-resistant germs cause more than 2 million illnesses and at least 23,000 deaths each year in the United States.
  • National initiatives for infection control and antibiotic stewardship could prevent 619,000 antibiotic-resistant and Clostridium difficile infections over 5 years.
  • coordinated approach, where healthcare facilities and health departments work together, could prevent these life-threatening infections—according to this month’s Vital Signs.

July 24, 2015

June 26, 2015

  • CDC and its partners are closely monitoring a MERS outbreak in the Republic of Korea, the largest known MERS outbreak outside the Arabian Peninsula.
  • MERS is a respiratory illness that has caused fever, cough, and shortness of breath in most people who have the disease.
  • Healthcare providers should evaluate patients suspected to have MERS using CDC’s guidelines and work with health departments to consider testing for patients under investigation.

April 3, 2015

  • Whooping cough, or pertussis, is a very contagious disease that can cause babies to stop breathing—here’s what you need to know about preventing it.
  • Infants are at greatest risk for getting whooping cough, so pregnant women should get vaccinated in the third trimester of each pregnancy.
  • Doctors, nurses, and other healthcare professionals can use CDC’s many educational resources to teach parents about vaccines for whooping cough and other childhood diseases.

January 23, 2015

October 24, 2014

  • CDC has released updated guidance on personal protective equipment (PPE) to be used by healthcare workers during management of patients with Ebola virus disease in US hospitals, including procedures for putting on (donning) and removing (doffing).
  • Starting October 27, public health authorities will conduct active post-arrival monitoring of all travelers whose travel originated in the Ebola-affected countries of Liberia, Sierra Leone, or Guinea.
  • CDC reminds healthcare workers to “Think Ebola” [PDF–149KB] by taking a detailed travel and exposure history for any patient with fever, severe headache, muscle pain, weakness, diarrhea, vomiting, stomach pain, or unexplained hemorrhage.

Get real-time CDC Ebola content on your website.

October 17, 2014

  • Many children in almost every state are getting severe respiratory illnesses from enterovirus D68 (EV-D68) this year.
  • Children with asthma are especially at risk for severe symptoms, such as difficulty breathing and wheezing. See what all parents need to know about EV-D68.
  • Healthcare providers should follow CDC guidance for identifying patients who may have EV-D68, testing of specimens, and reporting to health departments.

October 3, 2014

September 26, 2014

  • Just one recreational water illness outbreak can sicken thousands.
  • Recreational water illnesses are spread by swallowing, breathing in mists or aerosols of, or having contact with contaminated water in pools, hot tubs, water parks, lakes, rivers, or oceans.
  • You can use the new Model Aquatic Health Code to create or update pool codes and reduce the risk for recreational water illness outbreaks, drowning, and pool-chemical injuries.

August 29, 2014

  • CDC, along with domestic and international public health partners, is responding in West Africa to one of the largest Ebola outbreaks in history.
  • Ebola is transmitted through direct contact with a sick person’s blood or body fluids (urine, saliva, feces, vomit, or semen), contaminated objects (such as needles), or animals in Africa known to spread the disease (such as monkeys, apes, and bats).
  • You can use CDC resources—including infographics, posters, and brochures—to promote awareness and correct misconceptions about the Ebola outbreak.

June 6, 2014

November 22, 2013

October 25, 2013

  • The flu vaccine cannot cause the flu. The viruses in the vaccine are either killed or weakened, which means they cannot cause infection.
  • If given during pregnancy, the flu shot has been shown to protect both the mother and her baby (up to age 6 months) from flu.
  • You can take 3 steps to fight flu: get vaccinated, practice healthy habits, and take antiviral medications if prescribed.

October 18, 2013

  • Obstetric and neonatal healthcare providers can quickly access patient-specific guidance on managing group B Streptococcus (strep) infections with a new CDC mobile app.
  • Group B strep can cause pneumonia, blood infections, and meningitis and is one of the most common causes of infectious illness and death for US newborns in the first week of life.
  • You can download the free app from the CDC iTunes App Store or access a web version on your computer.

August 23, 2013

August 2, 2013

July 12, 2013

May 17, 2013

April 19, 2013

December 14, 2012

August 31, 2012

  • Nearly 1,600 cases and 65 deaths (as of August 29, 2012) from West Nile virus have been reported in the United States this year, the highest year on record since 1999.
  • West Nile virus can lead to severe health complications, including meningitis, encephalitis, paralysis, and even death.
  • CDC has a number of health education materials public health professionals can use to inform the public about how to protect themselves from West Nile virus.

June 1, 2012

May 25, 2012

Recreational Water Illness and Injury Prevention Week

May 18, 2012

May 4, 2012

  • Norovirus is the leading cause of foodborne illness and outbreaks in the United States and causes nearly 800 deaths annually.
  • More than 20 million people get norovirus illness each year, which causes diarrhea, vomiting, and stomach pain.
  • CDC’s new norovirus website and widget highlight the simple steps people can take to stop the spread of norovirus.

March 30, 2012

February 17, 2012

September 30, 2011

June 10, 2011

Did You Know?  information and web links are current as of their publication date. They may become outdated over time.

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