Centers for disease control and prevention office of public health scientific services ophss center for surveillance, epidemiology, and laboratory services csels. Full text full text is available as a scanned copy of the original print version. May 01, 2020 find information on coronavirus disease 2019 covid19. In the temperate regions of the southern hemisphere, influenza activity typically occurs. Centers for disease control and prevention 1 why get vaccinated. The cdc also said that two pediatric deaths reported last week were associated with h3n2, while one of this weeks cases was from influenza b. Since 1977, three influenza virus subtypes have been in circulation. The response two days after cdc confirmed the read more. National, regional, and state level outpatient illness and. Find information on coronavirus disease 2019 covid19. Seasonal flu influenza a h3n2 variant occupational. Weekly influenza activity estimates reported by state and territorial epidemiologists. Recommendations for prevention and control of influenza.
Influenza positive tests reported to cdc, wa public health laboratories. Influenzalike illness ili with laboratory confirmation of infection. A noninfluenza week is defined as periods of two or more consecutive weeks in which each week accounted for less than. Allocating and targeting pandemic influenza vaccine cdc. What you should know for flu and flu vaccine information specific to20 the 2014 flu season what is fluzone highdose influenza vaccine. Data faqs immunization investigation reporting resources. Cdc updates guidelines for influenza vaccination for 2010. Influenza watch on the lac dph flu surveillance webpage. Everyone 6 months and older needs a flu vaccine each year. Flu vaccination has been shown to prevent flu illnesses, doctors visits and hospitalizations and can.
A variant virus is an influenza virus that normally circulates and causes illness in pigs, but once a human is infected, it is called a variant influenza virus. Flu influenza disease directory travelers health cdc. Each week, providers report data to cdc on the number of patients seen and the number with influenza like illness. The following sections include cdcs recommended actions for preventing the spread of pandemic flu and suggested. Influenza, influenzalike illness, upper respiratory. Cdc guidance for responses to influenza for institutions. It is caused by influenza virus and is easily transmitted, predominantly via the droplet and contact routes and by indirect spread from respiratory secretions on hands etc. Influenzalike illness percent by season, illinois, 20092017 200910 201112 2012 2014 201415 201516 201617 illinois outpatient health care providers are encouraged to join the illinois influenza surveillance program.
It can cause mild to severe illness, and at times can lead to death. Type c has 7 rna segments and encodes 9 proteins, while types a. National guidance for targeting pandemic influenza vacci. Influenza pandemica influenza pandemica influenza cdc. Approvals are gathered for each data source ilinet. Chapman, director, public health laboratories, kentucky state health department, has reported a far east strain influenza virus from grinnell delegate who lives in kentucky. In the united states more than 35,000 deaths and 200,000 hospitalizations due to influenza occur. January 5, 2015 this cdc commentary was written before the fda approval of the influenza antiviral medication peramivir. Jan 02, 2020 the pages listed below offer public health and health care professionals key information about vaccination, infection control, prevention, treatment, and diagnosis of seasonal influenza. Influenza viruses are susceptible to heat, ph extremes, dryness, and are generally unstable in the environment. Centers for disease control and prevention criteria for influenzalike illness temperature. A 2018 cdc study published in clinical infectious diseases external icon looked at the percentage of the u. The centers for disease control and prevention cdc cannot attest to the accuracy of a nonfederal website. For novel influenza viruses, refer to guidelines specific for those viruses.
This map uses the proportion of outpatient visits to healthcare providers for influenza like illness to measure the ili activity level within a state. Influenzaassociated pediatric mortality summary nndss. Links to pubmed are also available for selected references. A person with influenza is at risk of other infections, including viral or bacterial pneumonia which is an infection of the lungs. Flu is a contagious disease that spreads around the united states every year, usually between october and may. The risk for exposure to influenza during travel depends somewhat on the time of year and destination. Influenza fact sheet keywords department of health services, dhs, division of public health, influenza, flu, coughing, sneezing, vaccine, vaccination, flu shot, contagious, p42064, p42064.
Stephen redd was wrapping up an influenza flu pandemic planning meeting on april 15, 2009, when someone on the phone reported that a new or novel influenza a virus had infected a 10yearold boy in california. Birds, pigs, horses, ferrets, dogs, and cats can all be infected with various strains of the influenza virus. Organism an influenza a virus subtype that is different from the current circulating human influenza a subtypes h1 and h3. Influenza in humans is often referred to as the seasonal flu. Influenza like illness percent by season, illinois, 20092017 200910 201112 2012 2014 201415 201516 201617 illinois outpatient health care providers are encouraged to join the illinois influenza surveillance program. Recommendations for prevention and control of influenza outbreaks in long term care facilities. Choose from 120 different sets of 1nx cdc flashcards on quizlet. Influenza fact sheet keywords department of health services, dhs, division of public health, influenza, flu, coughing, sneezing, vaccine, vaccination, flu shot, contagious, p42064, p42064 created date. Overview and map of current influenza activity in the u. Among participants with influenza, only 47 31 % met the u. Cdc pandemic flu checklist for childcare program administrators cdc. Describe strategies to prepare for the 20162017 influenza season identify key recommendations in the aap influenza policy statement discuss vaccine effectiveness clarify recommendations related to live attenuated influenza vaccine explain the importance of antiviral medications in the control of. The united states is not currently experiencing an influenza pandemic.
Coverage data and past trends of flu vaccination coverage in the u. This document was developed to update and provide interim guidance for planning purposes and to provide the rationale for a national vaccination program during a pandemic that also allows for local adjustment where appropriate. Interim guidance for health care providers for managing patients with. In the temperate regions of the southern hemisphere, influenza activity typically occurs during april september. Uncomplicated influenza illness is the most common presentation of influenza and is characterized by the abrupt onset of signs and symptoms that include fever, muscle aches, headache, malaise, nonproductive cough, sore throat, vomiting, and rhinitis. Cdc douglas jordan a study from the university of michigan and the centers for disease control and prevention has yielded whats being called convincing evidence that antibodies to the influenza virus protein neuraminidase na contribute to protection against flu in people who have received a flu shot. Some animals avian and swine populations are considered higher risk for transmitting a novelvariant influenza strain to humans.
Clinicopathologic study of thirtythree fatal cases of asian influenza. It does not, however, measure the extent of geographic spread of flu within a state. The cdc is monitoring an influenza a h3n2 variant virus h3n2v which has infected pigs and humans. Influenza viruses are inactivated by sunlight, disinfectants, and detergents, such as sodium deoxycholate and sodium dodecyl sulphate. Influenza, often called the flu, is an infection of the upper airway the nose and throat, caused by an influenza virus. Nov 01, 2019 most of the united states is experiencing widespread and intense influenza activity. Linking to a nonfederal website does not constitute an endorsement by cdc or any of its employees of the sponsors or the information and products presented on the website.
Occasionally, humans become infected with zoonotic influenza viruses. This document provides information on the fluzone highdose seasonal20 influenza vaccine. Summary the centers for disease control and prevention cdc is providing. Influenza c virus is the species in the genus influenzavirus c, in the virus family orthomyxoviridae, which like other influenza viruses, causes influenza. Anyone can get the flu, but it is more dangerous for some people. Influenza is an acute respiratory disease caused by infection with influenza. Get a printable copy pdf file of the complete article 1. This document provides guidance to help decrease the spread of flu among students, faculty, and staff of institutions of. Influenza in birds is often referred to as avian influenza, in pigs as swine influenza, in horses as equine influenza and so on.
In another indicator of rising activity, 37 states, up from last weeks 29, are reporting widespread flu. Influenza activity in the united states began to increase in middecember and has remained elevated as of february 4, report lenee blanton. Fluzone highdose is an influenza vaccine, manufactured by sanofi pasteur20 inc. See weekly surveillance summaries of flu activity in south dakota. Seasonal influenza is a preventable infectious disease with mostly respiratory symptoms.
Influenza activity in the united states began to increase in middecember and has remained elevated as of february 4, report lenee blanton, mph, and colleagues from the cdc s influenza division at. Influenza is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. Both methods had similar findings, which suggested that on average, about 8% of the u. It is caused by influenza virus and is easily transmitted, predominantly via the droplet and contact routes and by indirect spread from respiratory secretions on hands, tissues, etc. Novel influenza may be more likely to involve the lower respiratory tract. Seasonal influenza communicable disease management protocol seasonal influenza august 2016 1 this protocol applies to seasonal influenza only. In the northern hemisphere, the flu season can begin as early as october and can last as late as april or may. Indicators used to track influenzalikeactivity are higher than what was seen during the peak of the 20142015 season, the most recent season characterized as being of high severity. Influenza c virus is the species in the genus gammainfluenzavirus, in the virus family orthomyxoviridae, which like other influenza viruses, causes influenza influenza c viruses are known to infect humans and pigs flu due to the type c species is rare compared to types b or a, but can be severe and can cause local epidemics.
Cdc guidance for responses to influenza for institutions of. This document provides general guidance to long term care facilities ltcf on preventing, detecting, reporting, and controlling suspected and confirmed influenza outbreaks. Flu due to the type c species is rare compared to types b or a, but can be severe and can cause local epidemics. Oct 01, 2010 the advisory committee on immunization practices acip of the centers for disease control and prevention cdc has released updated recommendations on influenza control for the 20102011 season. The pages listed below offer public health and health care professionals key information about vaccination, infection control, prevention, treatment, and diagnosis of seasonal influenza. Allocating and targeting pandemic influenza vaccine. Flu is a contagious disease that spreads around the. Study confirms that some flu vaccines cause a stronger immune response among older adults thursday, december 12, 2019. Participate in flu near you, a free, realtime disease tracking system that uses anonymous reporting to promote flu prevention. Viral influenza is a seasonal infection associated with significant morbidity and mortality. The advisory committee on immunization practices acip of the centers for disease control and prevention cdc has released updated recommendations on influenza control for the 20102011 season.
Influenza chapter 4 2020 yellow book travelers health. Additionally, aerosol transmission plays a part in influenza virus transmission. Influenza c viruses are known to infect humans and pigs. The best way to prevent flu is by getting a flu vaccine each year. Most of the united states is experiencing widespread and intense influenza activity. This map uses the proportion of outpatient visits to healthcare providers for influenzalike illness to measure the ili activity level within a state. Further, 97% of the influenza a h3n2 viruses, 98% of the influenza b victoria lineage viruses, and all of the influenza b yamagata lineage viruses tested by the cdc were antigenically similar to the 20152016 vaccine components. Surveillance system nrevss data reported to cdc for the 20182019 influenza season, cdc has generated separate graphs of data reported to cdc by public health laboratories figure 1 and commercial laboratories figure 2. Objectives at the conclusion of this session, the participant will be able to.
This flu map shows the xx week flu status by state. Each week, providers report data to cdc on the number of patients seen and the number with influenzalike illness. Approvals are gathered for each data source ilinet, clinical labs, and public health labs for each season. Flu vaccination has been shown to prevent flu illnesses, doctors visits and hospitalizations and can be lifesaving in children 20182019 u. Outpatient influenzalike illness surveillance network ilinet, centers for disease control and prevention cdc. Cdc s portable flu testing kit allows for faster, onsite detection of viruses that could cause the next pandemic thursday, february 6, 2020. Dont pass it on idpio campaign was established by the office of public health in 2004 and currently resides within vha patient care services in the national center for health promotion and disease prevention ncp.
Higher education during the 20092010 academic year. Influenza, influenzalike illness, upper respiratory illness. State and jurisdiction data will be available only after approval from the individual reporting jurisdictions are received. Take action to help slow the spread of flu and illness.