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What month has the most flu cases?

Author

Sophia Sparks

Published Mar 17, 2026

What month has the most flu cases?

For the United States, most flu activity starts in October and ends in May. Peak flu activity happens between December and March, which is why flu season and winter are often linked together. The Centers for Disease Control and Prevention (CDC) has been tracking flu activity in the United States since 1982.

Likewise, people ask, what state has the most flu cases 2020?

Louisiana is the top state in the U.S. for flu activity so far this fall, according to the latest weekly influenza report from the Centers for Disease Control. Puerto Rico was also reported to have a high rate of flu cases.

Also Know, what strain of flu is most prevalent this year? “Flu activity is currently being caused mostly by influenza B/Victoria viruses, followed by H1N1 viruses and H3N2 viruses. It is unusual for there to be this much influenza B activity at this time of year.”

Just so, how many cases of the flu in a typical year?

While the impact of flu varies, it places a substantial burden on the health of people in the United States each year. CDC estimates that influenza has resulted in between 9 million – 45 million illnesses, between 140,000810,000 hospitalizations and between 12,00061,000 deaths annually since 2010.

How long will the flu last 2020?

Most people who become sick will recover in a few days to less than two weeks, but some people may become more severely ill. Following flu infection, moderate complications such as secondary ear and sinus infections can occur.

Is the flu going around 2020?

Final 2019/20 Flu Numbers

The final data on flu season 2019/2020 was released by the CDC in April as COVID-19 continued to spread throughout the United States. Between October 1, 2019 and April 4, 2020, the flu resulted in: 39 to 56 million illnesses. 410,000 to 740,000 hospitalizations.

What states have the worst flu cases?

Top 10 Flu Friendly States
  1. TEXAS. Weeks of high flu activity: 23.
  2. OKLAHOMA. Weeks of high flu activity: 22.
  3. CONNECTICUT. Weeks of high flu activity: 19.
  4. ARKANSAS. Weeks of high flu activity: 21.
  5. KANSAS. Weeks of high flu activity: 20.
  6. MISSISSIPPI. Weeks of high flu activity: 19.
  7. LOUISIANA. Weeks of high flu activity: 16.
  8. ALABAMA.

What state has the highest flu rate?

The states with the highest amount of activity are Alabama, Arkansas, Georgia, Mississippi, Nevada, South Carolina, and Texas. The flu mortality rate also climbed — 5.2 percent of deaths were linked to pneumonia and influenza (P&I), whereas 4.9 percent were linked to P&I the week prior.

How many people has the flu killed this year?

34,157 (United States)

Is the flu still active?

Seasonal influenza activity in the United States remains lower than usual for this time of year.

What causes death from flu?

34,157 (United States)

How many Americans get the flu each year?

CDC estimates that flu has resulted in between 9.3 million and 45 million illnesses each year in the United States since 2010.

How many get the flu each year worldwide?

Influenza is a highly contagious respiratory illness that is responsible for significant morbidity and mortality. Approximately 9% of the world's population is affected annually, with up to 1 billion infections, 3 to 5 million severe cases, and 300,000 to 500,000 deaths each year.

Where does flu come from?

Answer: Influenza is a virus that's spread from person to person. It originates, actually, among birds and other animals such as pigs, and new viral strains of influenza come to this country and to Europe from Southeast Asia.

How many reported cases of the flu in 2019?

CDC estimates that the burden of illness during the 2018–2019 season included an estimated 35.5 million people getting sick with influenza, 16.5 million people going to a health care provider for their illness, 490,600 hospitalizations, and 34,200 deaths from influenza (Table 1).

What percentage of flu patients are hospitalized?

Degree of mild vs.

That's about 10 times more often than flu. Even though a great many people are hospitalized for the flu — the preliminary data for the 2018-19 flu season is nearly half a million — the rate of hospitalization is far lower: 1%-2% of cases, according to the CDC.

How many flu shots died 2019?

During the 2018–19 influenza season, in which influenza A(H3N2) and A(H1N1)pdm09 viruses cocirculated, interim VE was estimated to be 29% against illnesses associated with any influenza virus (8) and vaccination was estimated to prevent 4.4 million illnesses, 2.3 million medical visits, 58,000 hospitalizations, and

When did the flu begin?

Although there is not universal consensus regarding where the virus originated, it spread worldwide during 1918-1919. In the United States, it was first identified in military personnel in spring 1918. It is estimated that about 500 million people or one-third of the world's population became infected with this virus.

What percent of the population gets the flu shot?

During the 2018-2019 season, 62.6% of children between six months and 17 years got a flu shot. Among adults, 45.3% of people got vaccines. The vaccination rate varied by race and ethnicity, with 51% of non-Hispanic white people getting the vaccine compared with 44.7% of the non-Hispanic Black population.

Is Flu A or B worse?

In the past, it was thought that infection with influenza A was more severe than infection with influenza B. However, a 2015 study in adults with influenza A and influenza B found they both resulted in similar rates of illness and death.

What strain of flu is going around 2020?

The committee recommended that the quadrivalent formulation of cell- or recombinant based influenza vaccines for the U.S. 2020-2021 influenza season contain the following: an A/Hawaii/70/2019 (H1N1) pdm09-like virus; an A/HongKong/45/2019 (H3N2)-like virus; a B/Washington/02/2019- like virus (B/Victoria lineage);

How well is the flu shot working in 2020?

CDC's influenza vaccination coverage reports show that overall flu vaccination coverage (among people 6 months and older) during 2019-2020 increased from the previous season to nearly 52%.

What months is flu season 2020?

In the United States, flu season occurs in the fall and winter. While influenza viruses circulate year-round, most of the time flu activity peaks between December and February, but activity can last as late as May.

What are the stages of the flu?

What to expect with the flu
  • Days 1–3: Sudden appearance of fever, headache, muscle pain and weakness, dry cough, sore throat and sometimes a stuffy nose.
  • Day 4: Fever and muscle aches decrease. Hoarse, dry or sore throat, cough and possible mild chest discomfort become more noticeable.
  • Day 8: Symptoms decrease.

How long is the flu contagious?

When Flu Spreads

Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Children and some people with weakened immune systems may pass the virus for longer than 7 days.

How long does it take for flu to go away?

How long does the flu last? As harsh as the flu can be, the good news is that most people feel much better within one to two weeks. Most healthy adults become contagious the day before symptoms develop (which makes it trickier to prevent from spreading).

What's the difference between Flu A and Flu B?

Unlike type A flu viruses, type B flu is found only in humans. Type B flu may cause a less severe reaction than type A flu virus, but occasionally, type B flu can still be extremely harmful. Influenza type B viruses are not classified by subtype and do not cause pandemics.

When should you go to ER for flu?

When to go to the ER for flu symptoms

Difficulty breathing or shortness of breath. Pain or pressure in the chest or abdomen. Sudden dizziness or frequent dizzy spells. Confusion.

How does the flu keep coming back?

These viruses spread seasonally each year because of a phenomenon known as antigenic drift: They evolve just enough to evade human immune systems, but not enough to develop into completely new versions of the virus. The H3N2 subtype causes the most disease each year.

How can you beat the flu?

Give these a try today.
  1. Stay home and get plenty of rest. Mind your flu manners.
  2. Drink plenty of fluids. Make sure you get more liquids.
  3. Treat aches and fever. Got fever?
  4. Take care of your cough. Over-the-counter treatments can calm your hack.
  5. Sit in a steamy bathroom.
  6. Run the humidifier.
  7. Try a lozenge.
  8. Get salty.

How do you know when the flu is no longer contagious?

How long will you be contagious? For most flu viruses, that window is about a week, starting from a day before your symptoms appear, to six or seven days afterward. For colds, even people who are feeling better can spread the virus to others for up to three weeks.

Can you have the flu without a fever?

Colds don't usually come with a significant fever

And while you can still have the flu without a fever, the flu typically comes with a few days above 100°F. A flu fever will likely come on fast.