As the reports rotate in relation to a “quadrilateral” that includes the nation, it can feel as if every virus is growing at the same time as Americans smell and sneeze their way during the cold and flu season.
In reality, data show that viral activity is decreasing for some diseases, while others are fueling the largest number of cases and deaths over the years.
The post has deducting the latest information you need to know about winter viruses rotating across the United States to keep you safe and healthy.
flu
The flu is particularly hitting this year, with 43 states and DC reporting “very high” or “high” flu activity, according to disease control centers and Fluview surveillance report for the week ending on February 1 , most recent data available.
The current flu season has already seen 24 million flu diseases, 310,000 hospitalizations and 13,000 deaths – including at least 57 children.
The influx of cases has overloaded emergency rooms across the country and forced dozens of schools to close their doors temporarily.
In particular, CDC data show that the flu deaths have exceeded them from Covid-19 for the first time since the onset of the pandemia during the week ended on January 25.
The exact cause of this intense influenza season is unclear, but experts said today.com that it was longer than usual, with levels of remaining vaccination and numerous strains of the increasing influenza.
Cough
The cases of good cough, also known as pertussis, are climbing, with no signs of slowdown.
There were at least 360 cases reported nationwide in CDC updating on February 5 on its infection tracker, with 27% from the week ago.
Preliminary data suggests that 2024 without the largest number of good cough cases in a decade, with 32,000 cases and at least one dozen death – mostly since 2017.
Increased activity follows a decrease in pertussis cases during the pandemic, probably due to measures such as masks and school closures that reduce transmission. CDC said the US is turning into pre-fandemic models, where more than 10,000 cases are usually reported every year.
The best protection against good cough is vaccination, but norms between children have fallen in recent years. Only about 92% of kindergartens received their DTAP vaccine for the 2023-2024 school year, below the federal target of 95% for the prevention of community transmission.
measles
Measles cases are increasing, with 14 reported so far this year in five countries: Alaska, Georgia, New York, Rhode Island and Texas.
New Mexico has just been added to the list this week after reporting a new case on February 11th in an unprecedented teenager.
Two explosions were identified in 2025: one in a district of Western Texas with high vaccine exclusion rates, with 24 cases-22 of them in school-age children all in unjustified individuals; and another in Atlanta that includes three non -vaccinated family members.
This rise is part of a larger wave of measles cases in recent years, with 16 outbreaks reported in 2024, including one in Agoikago that gets more than 60 people.
Increasing cases coincides with the decline in garden immunization levels, now below the 95% threshold needed to prevent explosions, likely driven by increased vaccine reluctance after foundation.
Norovirus
Norovirus has also waved this winter, causing stomach issues for Americans across the country.
From August 1, 2024, until January 15, 2025, there were 1,078 outbreaks reported by 14 participating health departments. This is nearly twice the number reported by these jurisdictions during the same period last season.
Although CDC data show that the outbreaks are in the trend below, they remain extremely high. Only this week, an explosion in a Navigation in the Netherlands America Line became sick of nearly 120 people.
Birdwal
While the bird flu continues to make titles, federal health officials claim that the risk to the general public remains low.
Since March 2024, the CDC has identified 64 H5 bird flu cases, mostly mild and among farm workers. A death was recorded in Luiziana, where the person had basic health issues and had been in contact with sick birds.
The virus has included hundreds of bundles of milk and thousands of bird flocks, leading to egg deficiencies and flying prices. The CDC said there is no evidence that someone in the US has been infected with the bird’s flu from eating properly treated products and cooked.
“While there have been no documented cases of bird flu transmission from eating chicken or eggs so far, it makes sense to take sensitive measures,” said Dr. Roy Gulick, Newly York-Presbyterian infectious disease specialist/Weill Cornell Center, previously told The Post “People should not eat chicken or raw or bare eggs.”
As for milk, 28 countries – covering nearly 65% of country production – are recorded in the USDA testing program to detect the bird flu, and almost all trade milk in the JBA is pasteurized to eliminate pathogens of harmful.
Covid 19
A bright place this winter: Surge Covid-19 has been relatively soft.
“This is the smallest winter wave we have had since the beginning of the Pandemia,” NPR Caitlin Rivers, an epidemiologist at the Johns Hopkins Bloomberg School, told Caitlin Rivers.
However, Covid-19 is still widespread, with more than half of US states reporting levels of “high” or “very high” viral activity in sewage, according to CDC data from February 6th.
One reason Covid-19 has received a background this winter may be prolonged immunity from a huge increase, in late summer, said Peter Chin-Hong, a specialist of infectious disease at the University of California, San Francisco, said New York Times.
Moreover, there has been no new variant that avoids the immunity that people have built, and more people received this year’s vaccine compared to last year, CDC records show.
RSV
CDC data show that cases of the sykyth respiratory virus (RSV) are declining in most parts of the country. Maine and Missouri are currently the only two states where the sewage shows the “very high” levels of RSV.
“This year is not very bad. Many people think we are at the height of RSV infections, Peter Chin-Hong, an associate professor and dean for regional campuses at the University of California, San Francisco, the School of Medicine, said Scientific American.
Relatively low RSV wave this winter is partly due to the introduction of new vaccines. The first RSV vaccine, approved in May 2023, aims at 60 years old and older, and people 50-59 at high risk.
The administration of food and drugs has also approved a monoclonal antibody to protect infants and young children from heavy RSVs, along with a vaccine for pregnant women to protect their babies.
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