Types of seasonal flu

The seasonal flu vaccine was created to try to avert these epidemics. Flu season is an annually recurring time period characterized by the prevalence of outbreaks of. Studies have shown that the flu vaccine will help prevent you getting the flu. But if you do get flu after vaccination, its likely to be milder and shorterlived than it would otherwise have been. Types of seasonal influenza vaccine european centre for. Over 100 countries have now confirmed cases of coronavirus, with more than 19,000 deaths. Although they share many similarities, there are structural differences between influenza a and b viruses. Each annual flu season is normally associated with a major influenzavirus subtype.

Influenza flu where to get vaccinated find a flu vaccine clinic near you. Flu season in uae reaches its peak during the winter months december to february. The week of april 4 was the last week in season influenza burden estimates will be provided for the 20192020 season. Influenza seasonal reports utah department of health.

The vaccine is reformulated each season for a few specific flu strains but does not include all the strains active in the world during that season. Without yearly seasonal flu vaccine, the illness and death rates would likely be much higher. Seasonal influenza, or flu, is an airborne respiratory virus that occurs every year in the fall to early spring in the united states. National institutes of health are in the early stages. Seasonal flu vaccine is 70 percent to 90 percent effective. Influenza activity can sometimes be predicted and even tracked geographically. Human influenza a and b viruses cause seasonal epidemics of disease known as the. Influenza or flu is a viral respiratory illness, mainly spread by droplets made when people with flu cough, sneeze or talk. The flu shot cannot offer 100% protection from the flu as scientists cannot predict precisely what flu types will circulate during a season. Jan 06, 2020 whats the difference between seasonal flu and pandemic flu. There are 4 types of seasonal influenza viruses, types a, b, c and d.

The reports include information seasonal influenza activity such as influenzaassociated hospitalizations, influenzalikeillnesses ili and student absenteeisms. For humanorigin viruses, no host of origin designation is given. Flu shot better than last year, despite tough season for kids. Types of seasonal influenza vaccine ecdc european union. The inactivated influenza vaccines available in the eueea may contain either split virion influenza virus products or subunit influenza products. Seasonal flu influenza georgia department of public health. The virus is highly contagious and symptoms can run from mild to severe. Injected trivalent inactivated influenza vaccines are most commonly used throughout the world.

Cdc flu deaths are up more than 65% so far in 2020, with the centers for disease control and prevention reporting that. The centers for disease control and prevention cdc recommends annual flu vaccination for everyone age 6 months or older. Seasonal flu is a disease that causes mild to severe illness and is easily spread. All live attenuated influenza vaccines currently available are quadrivalent combination vaccines containing two influenza a strains h1n1 and h3n2 subtypes and.

Coronavirus making headlines, but flu hitting seasonal peaks in ohio, kentucky. Each years seasonal flu vaccine contains protection from the three or four influenza viruses that are expected to be the most common during that years flu season. Cdc flu deaths are up more than 65% so far in 2020, with the centers for disease control and prevention reporting that 4,800 people had died and 87,000 people had. B in terms of prevalence, how contagious they are, what the vaccine covers, and severity and recovery. While worries rise about the novel coronavirus from china, public health authorities warn. The 20172018 influenza season was a high severity season with high levels of outpatient clinic and emergency department visits for influenzalike illness ili, high influenzarelated hospitalization rates, and elevated and geographically widespread influenza activity for an extended period. In fact, the centers for disease control and prevention cdc estimates 5 to 20 percent of americans get the flu and more than 200,000 people are. Symptoms, treatment, contagiousness, and do i have it. There are different types, subtypes, and strains of the flu. Learn about flu season, information for healthcare providers, inseason burden estimates, and flusight forecasting. Heres a look at the different types of flu shots, as well as information on who is eligible for each type.

Odh monitors circulating flu viruses and other related data sources and provides weekly summaries of influenza activity from october week 40 through may week 20. Influenza b is typically less severe than influenza a, but it can still be dangerous. Influenza antigen preparation varies between manufacturers. Jan 16, 2020 the start of the 20192020 flu season was unusual, with influenza b circulating early. Influenza a and b viruses circulate and cause seasonal epidemics of disease. Anyone can get the flu, and flu disease can be serious.

The 2009 outbreak of h1n1 was a type of influenza virus. Influenza, commonly known as the flu, is an infectious disease caused by an influenza virus. Jan 27, 2020 that would be particularly bad because the seasonal flu vaccine used in the northern hemisphere is a poor match for both the influenza b now in vogue and the h3n2 strain that caused a lot of. Influenza a viruses are the only influenza viruses known to cause flu pandemics, i. Seasonal influenza flu the flu is a contagious respiratory virus that can cause mild to severe illness, and at times can lead to death. Influenza a and b viruses are responsible for seasonal flu epidemics each year. Flu shots are safe for most people ages 6 months and older. Influenza b has the potential to be very dangerous, but it is typically less severe than influenza a. The flu shot is an inactivated vaccine contains killed virus and is approved for everyone 6 months and older, including healthy people and people with chronic medical conditions. The season occurs during the cold half of the year in each hemisphere. There are actually four different types of influenza viruses. Laboratory confirmed flu activity as reported by clinical laboratories continues to decrease. Does flu vaccine protect against coronavirus answers.

The flu, or influenza, is a highly contagious viral infection that mainly affects the respiratory system. Washington state department of health, communicable disease epidemiology. The start of the 20192020 flu season was unusual, with influenza b circulating early. Two types of influenza vaccine are widely available. Between 8,870 and 18,300 deaths in the united states and up to 575,000 deaths worldwide during the first year. Unlike seasonal flu, for which there is a vaccine to protect against infection, there is no vaccine for covid19. Heres the difference between coronavirus and flu symptoms. Three of the four types of influenza viruses affect humans. Pandemic flu in some instances can be far worse on world populations than seasonal flu. Because influenza surveillance does not capture all cases of flu that occur in the u. Three types of flu virusesa, b, and ccause seasonal influenza. Influenza basics general information about flu, including symptoms, complications, vaccines, and treatment.

There are two main types of influenza viruses that break out every year influenza a and b. Influenza viruses types a and b cause seasonal flu outbreaks. There are two main types or strains of influenza virus. What will the rest of the 20192020 flu season be like. Read on to learn about the different types of flu what is the flu. The flu, however, is caused by a bunch of different types and strains of influenza viruses. How does coronavirus compare to flu, sars, and other diseases. Influenza d may also have the potential to do so if the potential for future transmission from.

A quadrivalent cellbased influenza shot flucelvax quadrivalent containing virus grown in cell culture, which is. The yearly flu vaccine protects against both virus types. Sep 11, 2018 flu shots are safe for most people ages 6 months and older. Its usually a seasonal illness, with yearly outbreaks killing hundreds of thousands of. According to the centers for disease control and prevention cdc, there are four types of flu viruses. Apr 15, 2020 the ohio department of health tracks seasonal influenza activity on a weekly basis throughout the year. That would be particularly bad because the seasonal flu vaccine used in the northern hemisphere is a poor match for both the influenza b now in vogue and the h3n2 strain that caused a. Understanding the different kinds of flu viruses verywell health.

Those at high risk for serious flu complications include older people, young children, people with certain health conditions or compromised immune systems. These antibodies provide protection against infection with the viruses that are in the vaccine. Flu season is an annually recurring time period characterized by the prevalence of outbreaks of influenza flu. Yes, in the 20112012 flu season in the us, the fda approved seasonal flu vaccines that protect against the three types of flu that will most likely be infecting people this year, which includes. Influenza a also has pandemic potential, meaning that new novel influenza a viruses can emerge and cause a pandemic, defined as a global outbreak. Aug 28, 2019 whats the difference between h1n1 flu and influenza a. Serious outcomes of flu infection are hospitalization or death. Type b flu is another type of flu that causes seasonal illness. Please note all data are preliminary and may change as data are updated.

Human influenza a and b viruses cause seasonal epidemics of disease known as the flu season almost every winter in the united states. Type a and b cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers. Current seasonal flu activity in the united states, information for health providers, in season estimates, and flusight forecasting. Influenza statistics weekly reports of disease statistics, including the type and severity of disease in minnesota. Flu influenza viruses are divided into four broad categories. The seasonal flu vaccine protects against the influenza viruses that research indicates will be most common during the upcoming season. Influenza a and b viruses affect people and cause what is commonly referred to as seasonal flu, which occurs every year. Flu shot better than last year, despite tough season for. Coronavirus making headlines, but flu hitting seasonal. Flu affects people of all ages and can cause severe illness resulting in hospitalization and death. Flu strains explained, and how the vaccine works uab medicine. Influenza type c viruses do not cause seasonal flu but rather a less severe, coldlike illness. Some types can make you very ill, while other types of flu cause milder symptoms.

Learn more about the types of flu you should know about this cold and flu season, and how. A and b, which are most commonly associated with seasonal flu activity and. It will not stop all flu viruses and the level of protection may vary, so its not a 100% guarantee that youll be flu free. With such a long window of opportunity for contracting the influenza virus, the flu is regarded as one of the nations most common illnesses.

Nov 06, 2018 seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world. Florida is currently experiencing a moderately severe influenza season. The associated subtype changes each year, due to development of immunological resistance to a previous years strain through exposure and vaccinations, and mutational changes in previously dormant viruses strains. Influenza a and b viruses circulate and cause seasonal epidemics of. The seasonal flu virus is spread through coughing or sneezing and by touching a hard surface with the virus on it. Seasonal flu takes the lives of our population 65 years of age and older. Over 1 million flu deaths, including about 116,000 in the united states. This report contains information on seasonal influenza activity in utah. Traditionally, influenza vaccines both iiv and laiv have been produced to protect against 3 different seasonal influenza viruses also called trivalent vaccines. Types a or b, symptoms, treatment, flu shot and all you need to know. Nov 18, 2019 there are four types of influenza viruses. Sep 04, 2019 flu vaccines cause antibodies to develop in the body about two weeks after vaccination.