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The virus is spreading faster than in previous years and the surge is likely to get worse. Here's what you need to know. (https://www.npr.org/sections/health-shots/) (Shots - Health News) Shots Health News From NPR (/sections/health/126567525/your-health) Your Health (/sections/health/133188451/treatments-tests) Treatments & Tests (/sections/health/133188447/health-inc) Health Inc. (/sections/health/133188445/policy-ish) Policy-ish (/sections/health/133188449/public-health) Public Health (https://twitter.com/nprhealth) Twitter (https://www.npr.org/sections/health-shots/) Shots - Health News Flu cases are surging and rates will likely get worse, new CDC data shows (Flu cases are surging and rates will likely get worse, new CDC data shows) (Flu cases are surging and rates will likely get worse, new CDC data shows) (https://www.npr.org/sections/shots-health-news/2025/12/30/nx-s1-5661508/flu-cdc-health) December 30, 2025 4:20 PM ET Heard on (https://www.npr.org/programs/all-things-considered/nx-s1-5641176/all-things-considered-for-december-30-2025) All Things Considered By (https://www.npr.org/people/703751120/jonathan-lambert) Jonathan Lambert , (https://www.npr.org/people/470414236/gabrielle-emanuel) Gabrielle Emanuel Flu cases are rising and rates will likely get worse, new CDC data shows (https://ondemand.npr.org/anon.npr-mp3/npr/atc/2025/12/20251230_atc_flu_cases_are_surging_and_rates_will_likely_get_worse_new_cdc_data_shows.mp3?t=progseg&e=nx-s1-5641176&p=2&seg=10&d=230&size=3696058&sc=siteplayer&aw_0_1st.playerid=siteplayer) Listen \u00b7 3:50 3:50 Toggle more options (https://ondemand.npr.org/anon.npr-mp3/npr/atc/2025/12/20251230_atc_flu_cases_are_surging_and_rates_will_likely_get_worse_new_cdc_data_shows.mp3?t=progseg&e=nx-s1-5641176&p=2&seg=10&d=230&size=3696058&sc=siteplayer&aw_0_1st.playerid=siteplayer) Download Embed Embed () < iframe src=\"https://www.npr.org/player/embed/nx-s1-5661508/nx-s1-9590215\" width=\"100%\" height=\"290\" frameborder=\"0\" scrolling=\"no\" title=\"NPR embedded audio player\"> (There have been at least 7.5 million illnesses and 3,100 deaths from flu this season, according to CDC data. And flu cases are expected to rise significantly in the coming weeks.) There have been at least 7.5 million illnesses and 3,100 deaths from flu this season, according to CDC data. And flu cases are expected to rise significantly in the coming weeks. LittleCityLifestylePhotography/Getty Images hide caption toggle caption LittleCityLifestylePhotography/Getty Images Flu season is off to a rough start this year, according to the Centers for Disease Control and Prevention. While the virus arrived as expected, cases are rising faster, compared with previous years. Last week, more than 19,000 patients with influenza were admitted to hospitals, up about 10,000 from the previous week, according to (https://www.cdc.gov/fluview/surveillance/2025-week-51.html) new CDC data . To date, the CDC estimates at least 7.5 million people have been sickened, and over 3,100 people have died from the flu. The surge seems to be driven primarily by a new strain of the virus \u2014 subclade K of influenza A(H3N2) \u2014 that emerged in Australia over the summer. Sponsor Message \"Anywhere we detect this virus, you can see a large surge of influenza cases coming afterwards,\" says (https://publichealth.jhu.edu/faculty/1972/andrew-stanley-pekosz) Andrew Pekosz , a virologist at Johns Hopkins Bloomberg School of Public Health. In the U.S., \"the timing is not that much different from other flu seasons, but the number of cases, and how quickly those cases are increasing is something that is not usually seen this time of year.\" New York has been hit especially hard, with state health officials announcing over 71,000 cases last week \u2014 the most cases ever recorded in a single week in the state. But other states are seeing high levels of flu activity, particularly in the northeast, midwest and south. \"The map is mostly red,\" says Pekosz, indicating high levels of disease that will likely increase over the coming weeks. (https://www.npr.org/sections/goats-and-soda/2025/04/01/g-s1-55999/recipes-soup-comfort-healing-remedy) (Hnoi Lathitham, 57, holds a bowl of Gang Liang in Bangkok, Thailand, Friday, February 7, 2025. Hnoi, who has continuously adapted to a changing world, has been sharing the wonders of Thai food with people around the world in various professional capacities for over 30 years.) (https://www.npr.org/sections/goatsandsoda/) Goats and Soda (https://www.npr.org/sections/goats-and-soda/2025/04/01/g-s1-55999/recipes-soup-comfort-healing-remedy) Thyme for some healing soup recipes from around the world \"When you're in the middle of seeing the curve start to go up, we just don't have any sense of where it's going to stop,\" he says. \"That's the big concern in most of the medical communities right now.\" What's driving the upswing? So far, there's no indication that this new strain is more severe, or even more contagious than previous years, says (https://labs.icahn.mssm.edu/krammerlab/dr-krammer/) Florian Krammer , a virologist at the Icahn School of Medicine at Mount Sinai. But there have been changes to the virus that may allow it to get around our immune defenses, he says. \"There's less immunity to it, and that's allowing the virus to spread very quickly and extensively.\" Sponsor Message There are some concerns that this season's flu vaccine(https://www.npr.org/sections/goats-and-soda/2025/11/07/g-s1-96655/flu-vaccine-covid-virus) may not be a perfect match to the new strain, given it emerged after the formulation was decided last February. \"I think we're going to have a mismatch between the strain circulating and the vaccine,\" says Demetre Daskalakis, who led the National Center for Immunization and Respiratory Diseases at CDC until he (https://www.npr.org/sections/shots-health-news/2025/08/29/nx-s1-5522036/cdc-rfk-hhs-monarez-jim-oneill-leadership) resigned in August. \"But the vaccine is still the best protection we have, even if it's imperfect protection.\" Preliminary data from the United Kingdom, which saw an early surge of flu this year, suggests the vaccine is about (https://www.gov.uk/government/news/flu-vaccine-providing-important-protection-despite-new-subclade) 30 to 40% effective at preventing hospitalization in adults. \"Those numbers are in line with what you would typically see,\" says Krammer, though he stresses those are preliminary estimates. How to respond to the surge Flu vaccines only offer protection if people get them and in the U.S., only (https://www.cdc.gov/fluvaxview/dashboard/index.html) 42% of adults have gotten a flu shot this year. That leaves many people unprotected in face of a likely bad flu season, says Daskalakis. He'd like to see the CDC do more to encourage vaccination. \"You're not seeing the robust communication that you would expect,\" he says. \"Usually you'd expect to see more alerts coming out of CDC, more recommendations to be vaccinated.\" (https://www.npr.org/sections/goats-and-soda/2025/11/07/g-s1-96655/flu-vaccine-covid-virus) (Centers for Disease Control (CDC) scientist in a protective air-tight suit handling Influenza A Virus specimens, Biosafety Level-4 (BSL-4) laboratory, Atlanta, Georgia, 2005.) (https://www.npr.org/sections/goatsandsoda/) Goats and Soda (https://www.npr.org/sections/goats-and-soda/2025/11/07/g-s1-96655/flu-vaccine-covid-virus) Why next year's flu shot might not be as good as it should be In response to that criticism, a CDC spokesperson said, \"the CDC is strongly committed to keeping Americans healthy during flu season. CDC launched a new national outreach campaign designed to raise awareness and empower Americans with the tools they need to stay healthy during the respiratory illness season,\" adding \"the decision to vaccinate is a personal one. People should consult with their healthcare provider to understand their options to get a vaccine and should be informed about the potential risks and benefits associated with vaccines.\" In an interview with NPR, Lisa Grohskopf, a medical officer in the CDC's influenza division emphasized the importance of vaccination. \"It's definitely not too late to get a flu vaccine if you haven't done it already,\" she says. Sponsor Message There are other ways of protecting yourself too. \"If you're using public transportation, if you're in the room with a lot of other people, if you're in a healthcare setting, it's really smart to wear a mask,\" says Krammer, especially higher-quality masks. \"I was taking the subway yesterday in New York City. I was wearing an N95 mask.\" Social distancing, especially when you or someone in your household is infected, can help minimize the spread too. If you get infected, there are effective treatment options, especially when started with 48 hours of infection. \"If you get an infection with influenza, that's really a reason to see a physician, get diagnosed, and then take next steps,\" says Krammer. \"It's not an infection that you should take lightly.\" (https://www.npr.org/2025/04/10/g-s1-56570/soup-part-ii) (Top row from left: pir\u00e3o de galina from Brazil, North America, a berry soup from the Salish tribe in North America; an herbal soup popular in the Tamil community in Singapore. Bottown row: a Botswana soup is prepared with a leafy green called Morogo; a Nigerian waterleaf soup; and a soup from Madagascar made with Zebu organs.) (https://www.npr.org/sections/goatsandsoda/) Goats and Soda (https://www.npr.org/2025/04/10/g-s1-56570/soup-part-ii) Healing soup recipes, Part 2: Definitely not your grandma's chicken soup! (https://www.npr.org/tags/144024008/flu) flu (https://www.npr.org/tags/126936263/cdc) CDC (https://www.npr.org/tags/128551246/health) health Facebook Flipboard Email Read & Listen (/) Home (/sections/news/) News (/sections/culture/) Culture (/music/) Music (/podcasts-and-shows) Podcasts & Shows Connect (/newsletters/) Newsletters (https://www.facebook.com/NPR/) Facebook (https://www.instagram.com/npr/) Instagram (/series/750003/press-room/) Press (/sections/publiceditor/) Public Editor (/corrections/) Corrections (/transcripts/) Transcripts (https://help.npr.org/contact/s/) Contact & Help About NPR (/about/) Overview (/diversity/) Diversity (/network/) NPR Network (/about-npr/1136563345/accessibility) Accessibility (/ethics/) Ethics (/about-npr/178660742/public-radio-finances) Finances Get Involved (/support/) Support Public Radio (/about-npr/186948703/corporate-sponsorship) Sponsor NPR (/careers/) NPR Careers (https://shopnpr.org/) NPR Shop (/sections/npr-extra/) NPR Extra (/about-npr/179876898/terms-of-use) Terms of Use (/about-npr/179878450/privacy-policy) Privacy (/about-npr/179878450/privacy-policy#yourchoices) Your Privacy Choices (https://text.npr.org/) Text Only Sponsor Message Sponsor Message (/about-npr/186948703/corporate-sponsorship) Become an NPR sponsor (Optimizely Internal Frame) " ], "output": "htmltotext.txt", "pwd": "/data/archive/1767142975.390364", "schema": "ArchiveResult", "start_ts": "2025-12-31T01:03:37.436465+00:00", "status": "succeeded" } ], "media": [ { "cmd": [ "/usr/local/bin/yt-dlp", "--restrict-filenames", "--trim-filenames", "128", "--write-description", "--write-info-json", "--write-annotations", "--write-thumbnail", "--no-call-home", "--write-sub", "--write-auto-subs", "--convert-subs=srt", "--yes-playlist", "--continue", "--no-abort-on-error", "--ignore-errors", "--geo-bypass", "--add-metadata", "--format=(bv*+ba/b)[filesize<=750m][filesize_approx<=?750m]/(bv*+ba/b)", "--skip-download", "--cache-dir=/data/yt-dlp-cache/", "--cookies=/data/yt-dlp-cache/cookies.txt", "--proxy=socks5://tor-socks-proxy:9150", "--no-playlist", "https://www.npr.org/sections/shots-health-news/2025/12/30/nx-s1-5661508/flu-cdc-health" ], "cmd_version": "2024.10.7", "end_ts": "2025-12-31T01:03:44.120872+00:00", "index_texts": [], "output": "media/", "pwd": "/data/archive/1767142975.390364", "schema": "ArchiveResult", "start_ts": "2025-12-31T01:03:39.674502+00:00", "status": "succeeded" } ], "mercury": [ { "cmd": [ "/home/archivebox/.npm/bin/postlight-parser", "https://www.npr.org/sections/shots-health-news/2025/12/30/nx-s1-5661508/flu-cdc-health" ], "cmd_version": "2.2.3", "end_ts": "2025-12-31T01:03:37.401230+00:00", "index_texts": null, "output": "mercury/", "pwd": "/data/archive/1767142975.390364", "schema": "ArchiveResult", "start_ts": "2025-12-31T01:03:34.103866+00:00", "status": "succeeded" } ], "pdf": [], "readability": [ { "cmd": [ "/home/archivebox/.npm/bin/readability-extractor", "/tmp/tmpvj1aet69", "https://www.npr.org/sections/shots-health-news/2025/12/30/nx-s1-5661508/flu-cdc-health" ], "cmd_version": "0.0.11", "end_ts": "2025-12-31T01:03:25.868897+00:00", "index_texts": [ "There have been at least 7.5 million illnesses and 3,100 deaths from flu this season, according to CDC data. And flu cases are expected to rise significantly in the coming weeks.\n \n \n LittleCityLifestylePhotography/Getty Images\n \n \n hide caption\n \n\n\n toggle caption\n \n\n \n \n LittleCityLifestylePhotography/Getty Images\n \n \n\n \n Flu season is off to a rough start this year, according to the Centers for Disease Control and Prevention. While the virus arrived as expected, cases are rising faster, compared with previous years. Last week, more than 19,000 patients with influenza were admitted to hospitals, up about 10,000 from the previous week, according to new CDC data. To date, the CDC estimates at least 7.5 million people have been sickened, and over 3,100 people have died from the flu. The surge seems to be driven primarily by a new strain of the virus \u2014 subclade K of influenza A(H3N2) \u2014 that emerged in Australia over the summer. \n \"Anywhere we detect this virus, you can see a large surge of influenza cases coming afterwards,\" says Andrew Pekosz, a virologist at Johns Hopkins Bloomberg School of Public Health. In the U.S., \"the timing is not that much different from other flu seasons, but the number of cases, and how quickly those cases are increasing is something that is not usually seen this time of year.\" New York has been hit especially hard, with state health officials announcing over 71,000 cases last week \u2014 the most cases ever recorded in a single week in the state. But other states are seeing high levels of flu activity, particularly in the northeast, midwest and south. \"The map is mostly red,\" says Pekosz, indicating high levels of disease that will likely increase over the coming weeks. \n \n\n \"When you're in the middle of seeing the curve start to go up, we just don't have any sense of where it's going to stop,\" he says. \"That's the big concern in most of the medical communities right now.\" What's driving the upswing? So far, there's no indication that this new strain is more severe, or even more contagious than previous years, says Florian Krammer, a virologist at the Icahn School of Medicine at Mount Sinai. But there have been changes to the virus that may allow it to get around our immune defenses, he says. \"There's less immunity to it, and that's allowing the virus to spread very quickly and extensively.\" \n There are some concerns that this season's flu vaccine may not be a perfect match to the new strain, given it emerged after the formulation was decided last February. \"I think we're going to have a mismatch between the strain circulating and the vaccine,\" says Demetre Daskalakis, who led the National Center for Immunization and Respiratory Diseases at CDC until he resigned in August. \"But the vaccine is still the best protection we have, even if it's imperfect protection.\" Preliminary data from the United Kingdom, which saw an early surge of flu this year, suggests the vaccine is about 30 to 40% effective at preventing hospitalization in adults. \"Those numbers are in line with what you would typically see,\" says Krammer, though he stresses those are preliminary estimates. How to respond to the surge Flu vaccines only offer protection if people get them and in the U.S., only 42% of adults have gotten a flu shot this year. That leaves many people unprotected in face of a likely bad flu season, says Daskalakis. He'd like to see the CDC do more to encourage vaccination. \"You're not seeing the robust communication that you would expect,\" he says. \"Usually you'd expect to see more alerts coming out of CDC, more recommendations to be vaccinated.\" \n \n\n In response to that criticism, a CDC spokesperson said, \"the CDC is strongly committed to keeping Americans healthy during flu season. CDC launched a new national outreach campaign designed to raise awareness and empower Americans with the tools they need to stay healthy during the respiratory illness season,\" adding \"the decision to vaccinate is a personal one. People should consult with their healthcare provider to understand their options to get a vaccine and should be informed about the potential risks and benefits associated with vaccines.\" In an interview with NPR, Lisa Grohskopf, a medical officer in the CDC's influenza division emphasized the importance of vaccination. \"It's definitely not too late to get a flu vaccine if you haven't done it already,\" she says. \n There are other ways of protecting yourself too. \"If you're using public transportation, if you're in the room with a lot of other people, if you're in a healthcare setting, it's really smart to wear a mask,\" says Krammer, especially higher-quality masks. \"I was taking the subway yesterday in New York City. I was wearing an N95 mask.\" Social distancing, especially when you or someone in your household is infected, can help minimize the spread too. 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