Centers for Disease Control and Prevention

- CDC estimates that between 14 million and 34 million cases of 2009 H1N1 occurred between April and October 17, 2009. The mid-level in this range is about 22 million people infected with 2009 H1N1.

- CDC estimates that between about 63,000 and 153,000 2009 H1N1-related hospitalizations occurred between April and October 17, 2009. The mid-level in this range is about 98,000 H1N1-related hospitalizations.

- CDC estimates that between about 2,500 and 6,000 2009 H1N1-related deaths occurred between April and October 17, 2009. The mid-level in this range is about 3,900 2009 H1N1-related deaths.

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Aaron Bernstein, M.D.,
Children’s Hospital, Boston
Faculty, Center for Health and the Global Environment

Sometimes the best perspectives come from far away places and few places are farther from Boston than Singapore, a small yet highly developed island nation in southeast Asia where I spent much of October.

The distance between Boston and Singapore is more than geographic, however. While I was away, H1N1 reclaimed the national spotlight back home. Not a day went by without mention of it in the news. It became the topic of conversation among doctors and patients everywhere. Well, almost everywhere.

While everyone in Singapore knew of H1N1, it was hardly the hot topic it had become in the States. During my stay, the main paper in Singapore ran just one article on H1N1 informing its readership that the first vaccine doses wouldn’t arrive for several more weeks.

To my surprise, the Singaporeans I met took this news in stride. One reason for this is that many Singaporeans perceive (and rightly so) that H1N1 is, in many ways, no worse than the seasonal flu that comes every year. In addition, Singaporeans have endured two much more deadly epidemics in the past decade, making H1N1 pale in comparison. In 1998, the first known outbreak of Nipah virus occurred in Malaysia and Singapore infecting 276 people, 105 of whom died. In this and eight subsequent outbreaks in India and Bangladesh the virus has earned the grim reputation of being one of the deadliest viruses known, with a mortality rate between 40 and 80 percent. Nipah virus resides in bats (the “reservoir”, as bats do not get sick when infected). Bats infect pigs, and exposure to infected pigs causes disease in humans.

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Flu.gov

Wondering where, when , and how to get the H1N1 vaccine? Go here to get the latest information on where to get vaccinated.

51 percent of Americans are confident in government's ability to prevent H1N1 epidemic.

CNN/Opinion Research Corp.

Americans are starting to lose confidence in the government's ability to prevent a nationwide epidemic of the H1N1 flu, according to a new national poll.

But the CNN/Opinion Research Corporation survey, released Tuesday morning, indicates a small majority continue to say that the government and private industry eventually will produce enough of the vaccine for the virus, also known as swine flu, to inoculate everyone who wants it.

According to the poll, 51 percent of those questioned are confident in the government's ability to prevent an H1N1 epidemic, with 49 percent not confident. The number of Americans who are confident is down 8 percentage points from August, while the number of those not confident is up 9 percentage points.

"Only one in 10 say they are 'very confident' that the government can ward off an epidemic," says CNN Polling Director Keating Holland. "But the growing doubts may not be directly related to the shortfall of vaccine so far."

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Elizabeth Cohen
CNN Senior Medical Correspondent

On a recent flight from San Francisco, California, to Atlanta, Georgia, Dr. Julie Gerberding was thrilled to get bumped up to first class. The thrill, however, quickly disappeared: As she did her victory walk to the front cabin, she noticed that the woman in the seat next to hers was hacking up a lung.

"She was on her cell phone, saying, 'I feel miserable. I just know I have swine flu,' " Gerberding remembered. "I thought to myself, 'Oh, great.' "

For the duration of her transcontinental flight, Gerberding played viral roulette as she sat shoulder-to-shoulder next to Ms. Sneezy in a confined space.

Gerberding, the former director of the Centers for Disease Control and Prevention, had a few strategies for avoiding this woman's germs, some of which you can use on planes, trains, automobiles and anywhere else if you get stuck next to Typhoid Mary - or, in this case, H1N1 Mary.

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Nathan Stein, 7, gets a H1N1 shots.

Alice Park
Time

As the number of H1N1 cases continues to climb in the U.S., researchers are collecting more and more data on the spread of the pandemic flu and getting a clearer picture of its victims — who is most vulnerable to H1N1, how the most severe cases progress and which risk factors tend to contribute to life-threatening disease. That data is now helping public-health officials identify some critical H1N1 trends, which may enable them to treat patients more effectively and hopefully control the disease as it peaks in the coming months.

The latest study, published this week in the Journal of the American Medical Association, offers a snapshot of 1,088 H1N1 cases in California that were severe enough to require hospitalization — or resulted in death — between April 23 and Aug. 11 of this year. Experts at the California Department of Public Health, who led the study, say their findings are largely in line with the growing body of data on the worldwide pandemic flu, confirming, for instance, that the 2009 H1N1 flu disproportionately affects younger patients. The California research team found that the median age of hospitalized H1N1 patients was 27, much lower than the median age of seasonal-flu sufferers.

While H1N1 infection results in mild or moderate disease in most patients — indeed, the most severe cases account for a small proportion of overall infections — a subset of patients are harder hit, the data show. And in those patients, the disease can often quickly become life-threatening. "The major point of our findings is that there has been a lot of perception that this is a mild disease, and a lot of people may be ambivalent about vaccination," says Dr. Janice Louie, a public-health medical officer at the California Department of Public Health and the study's lead author. "But for those patients who were hospitalized, 30% required intensive care. This is something that clinicians should be aware of when patients walk into their clinic or office with signs of flu."

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Micheal Wordell brought his 7 year-old sono, Nate, to Children's Hospital Boston when Nate's 104-degree fever would not break.

Danielle Dellorto
CNN Medical Producer

Nate Wordell, 7, just feels lousy: swollen eyes, cough, high fever, stomach ache and he's dehydrated. Nate has H1N1.

After toughing it out for three days at home, Nate's parents brought him to the emergency room at Children's Hospital Boston, Massachusetts. "The hardest thing for us was that we couldn't stay ahead of the medication or get him to keep any water down," says Nate's father, Michael Wordell of Auburndale, Massachusetts.

Hospitals from coast to coast are bracing for the influx of patients, just like Nate. Children's Hospital Boston has seen a 40 percent increase in patients this week alone.

"This could get pretty bad," says Dr. Anne Stack, clinical chief of emergency medicine at Children's Hospital Boston. "So we are trying to do as much as we can to prepare. But no one knows when it will end."

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Randi Kaye | BIO
AC360° Correspondent

Tonight on AC360, at 10pm eastern, I’ll be looking at the online campaign by folks who consider themselves “anti-vaxers.” These people are trying to scare others into not getting the swine flu vaccine. They say it could paralyze you. They say it hasn’t been tested on humans. They say it can cause cancer and autism and kill unborn babies. The swine flu vaccine back in 1976 did cause paralysis in some...and hundreds of families sued back then saying their loved ones died as a result of the vaccine.

What do believe? Are you planning to get vaccinated? What about your kids?

Keep up with all of the updates from the Center for Disease Control in the H1N1 swine flu pandemic.

Centers for Disease Control

With the H1N1 Swine Flu constantly in the news, a variety of social media tools provide information about the ongoing outbreak. The CDC partnered with the U.S. Department of Health and Human Services(HHS) to create social media tools that provide easy to access information about the ongoing H1N1 Swine Flu pandemic. Widgets, mobile information, online videos and other tools help keep important H1N1 Flu information flowing in this social media age.

You can follow the CDC on Twitter here: @CDCemergency

But that’s not all – the CDC has an entire H1N1 social media strategy. There are RSS feeds, mobile phone updates, text messages, Facebook and MySpace alerts, and Widgets.

See all the ways you can stay up-to-date with the latest H1N1 news.

Billy Corgan
For Rolling Stone

“I am not a doctor, and I am in no way suggesting that you should follow any medical advice from me,” Billy Corgan writes at the top of a blog post about swine flu. What follows is nearly 850 words of Corgan spitting conspiracy theories on his Everything From Here to There blog regarding the H1N1 virus.

Smashing Pumpkins’ frontman has a central thesis — that the illness was “created by man” and driven by a “propaganda machine” powered by fear. “I for one will not be taking the vaccine. I do not trust those who make the vaccines, or the apparatus behind it all to push it on us thru fear,” Corgan writes. “This is not judgment; it is a personal decision based on research, intuition, conversations with my doctor and my ‘family’. If the virus comes to take me Home, that is between me and the Lord.” Corgan also argues against a potential Massachusetts state law that will require residents of the state to receive the vaccine. “Soon, you won’t even have the choice to live OR die as you wish!”

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Jonathan Safran Foer
Special to CNN

Like most people, I'd given some thought to what meat actually is, but until I became a father and faced the prospect of having to make food choices on someone else's behalf, there was no urgency to get to the bottom of things.

I'm a novelist and never had it in mind to write nonfiction. Frankly, I doubt I'll ever do it again. But the subject of animal agriculture, at this moment, is something no one should ignore. As a writer, putting words on the page is how I pay attention.

If the way we raise animals for food isn't the most important problem in the world right now, it's arguably the No. 1 cause of global warming: The United Nations reports the livestock business generates more greenhouse gas emissions than all forms of transportation combined.

It's the No. 1 cause of animal suffering, a decisive factor in the creation of zoonotic diseases like bird and swine flu, and the list goes on. It is the problem with the most deafening silence surrounding it.

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Cameron Harrelson, 16, of Baxley, Georgia, said he feels safer now that he got his H1N1 flu shot.

Centers for Disease Control and Prevention

Who will be recommended to receive the 2009 H1N1 vaccine? Will two doses of vaccine be required? Can people who are allergic to eggs receive the 2009 H1N1 flu vaccine? These are some questions you may be asking yourself about the H1N1 vaccine.

Click here to view answers to most commonly asked questions and find out more about the H1N1 vaccine currently available in the US.

Kate Bolduan | BIO
CNN

CNN

How much do you know know about H1N1?

Concern about the H1N1 virus grew after it spread quickly around the globe earlier this year.

Elizabeth Landau
CNN

Yessica Maher of Los Angeles, California, feels let down. She had wanted to get the H1N1 vaccine for herself and her children, but that's proving to be difficult.

Her doctor is out of the vaccine, and so is the pediatrician. Her two older sons were not eligible for the nasal spray version because of asthma, and she was told the shot would not become available until perhaps November. Her youngest son, 2, goes to a preschool where there was recently a diagnosis of H1N1.

"I feel that the government and health officials, they knew this was big when it first started, they know the size of our population before it started, and they didn't make leaps and bounds to make sure it was available to everyone when they would need it," she said. "It shouldn't be a supply-and-demand thing."

The Centers for Disease Control and Prevention announced last week that production of the vaccine is slower than expected. While the CDC had hoped for 40 million doses by the end of October, the real numbers will be about 30 million doses because of manufacturing delays, said Dr. Anne Schuchat, CDC's director of the National Center for Immunization and Respiratory Diseases.

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AC360°

Over the weekend, President Obama declared a national emergency to deal with the “rapid increase in illness” from the H1N1 virus. The declaration could help local health-care providers set up special facilities to deal with swine-flu outbreaks more rapidly.

The CDC announced last week that production of the vaccine is slower than expected. While the CDC had hoped for 40 million doses by the end of the month, the real number is estimated to be about 30 million – due to manufacturing delays. Public health departments across the country are quickly running out of H1N1 vaccine and don’t know when the next batches will arrive.

Do you have questions about the H1N1 virus and the vaccine? Dr. Sanjay Gupta will be on with answers tonight.

Let us know! We'll have answers tonight.

Anderson Cooper | BIO
AC360° Anchor