Analysis
Keep up to date on the latest news and analysis on COVID-19, fever data and contagious illness from the data journalism team at Kinsa.
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August 2, 2022
Does it feel like everyone is sick this summer? Here’s why
Viruses are behaving in unusual ways post the COVID-19 pandemic. Here's why.
June 29, 2022
Kinsa Detects Rising Illness One Week Before Traditional Surveillance Systems
What can you do with a week's notice on where illness is starting and spreading?
May 25, 2022
Who's Most Likely to Lose Their Sense of Taste & Smell?
And, what other symptoms you might expect to feel if you can't taste or smell
April 18, 2022
Is the Flu Making a Late-Season Comeback?
Plus, the latest on BA.2
March 4, 2022
Have Loosened Mask Mandates Impacted National Illness?
Kinsa's data shows an overall decrease in activity, with the exception of a few states
February 25, 2022
Illness is Rising Among the Pediatric Population
Increasing illness activity in kids is likely a result of several circulating respiratory illnesses
February 18, 2022
What’s Driving Increased Illness Activity in the South?
This week, we compare pediatric and adult illness levels in the South
February 11, 2022
In Spite of the Omicron Surge, National Fever Incidence in Seniors Remained Below Normal Seasonal Illness Levels
Seniors experienced national fever incidence below normal seasonal levels in December/January
February 4, 2022
National Illness is Below Pre-COVID Season Levels
This week, we take a look at national illness levels and follow up on “who’s bringing illness into the home?”
January 28, 2022
National Illness Levels Have Finally Decreased
And, how contagious is Omicron, really?
January 21, 2022
Omicron is Peaking in Some Regions, but Continues to Surge in Others
The Northeast is cooling off, while other parts of the country are heating up
January 14, 2022
The Northeast Peaks As Other Regions heats up
The Omicron wave diverges regionally, and one age group is getting more ill
January 7, 2022
Omicron, Flu, Cold? It’s All Going Around
As COVID-19 cases surge, other illnesses are rising as well. Plus, one region is experiencing more respiratory symptoms
December 17, 2021
Omicron And Delta Compete For Dominance
Going into the holiday week, some regions are being battered by heavy caseloads
December 10, 2021
How Thanksgiving Impacted Illness
Fevers in one state are at a yearly high, and, aside from joy, something else was spread during Thanksgiving dinner
December 3, 2021
The “Problem Child” of Flu Strains Is Gaining Ground
Illness season is ramping up, there's a dominant flu strain not seen since 2018, and what we know about Omicron
November 19, 2021
Sickness Is Back, Baby
Unusual symptoms in the south, a return to normal, and an an unexpected age group is having more fevers
November 12, 2021
Another Wave? For Some States, It May Be
COVID is flaring up in parts of the country, booster shots are pushing vaccine numbers up and flu is coming for Florida
November 5, 2021
Can We Expect Fewer Fevers When Kids Get Their Jab?
28 million children are now eligible for COVID vaccines, plus national illness is creeping up
November 5, 2021
Your HealthWeather Questions, Answered
Kinsa’s VP of Data Science answers your questions about our data
October 29, 2021
Who’s Bringing Illness Into the House, Continued
Also, what illnesses are going around in the west, and good news about vaccines for kids
October 22, 2021
A Strange Start to Illness Season...
Also, which age groups are dealing with the most fevers and recent developments may increase demand for vaccines
October 15, 2021
The Pandemic Changed Who Brings Illnesses Into The House
Once the COVID-19 pandemic hit, there was a distinct shift in these trends.
October 15, 2021
What’s Really Behind The Illnesses in the Northeast?
COVID-19 cases continue to decline nationwide, but cases in Vermont, Michigan, and Colorado are increasing.
October 8, 2021
The Two Regions We Are Watching Closely
Deaths are finally on the decline and we take a look back at October 2020
October 8, 2021
Masking Still Works, Even With Kids
The CDC released a series of studies looking at school mask mandates, we explain what they found
October 1, 2021
The Kids Are Not All Right, but They Will Be
Recovery in some regions slow, and the vaccine for children can’t come soon enough
October 1, 2021
How Illnesses Move Through Households
Our resident epidemiologist explores how Kinsa tracks household transmission and what you can do to stay healthy
September 24, 2021
COVID Cases Go Down Nationally and up Regionally
General Illness is rising in some parts of the country, while COVID-19 cases continue to diverge regionally
September 17, 2021
This Week’s COVID Numbers Are a Mixed Bag
While COVID numbers in headlines look promising, they obscure a larger illness trend.
September 11, 2021
Illness Is Spreading Unseasonably Fast
We’re not even in flu season yet but illness is spreading rapidly within households, despite very little flu.
September 8, 2021
UPDATE: Kinsa’s 'Multidemic' Prediction on MSNBC
Kinsa’s data leads us to predict that this winter will see a “multidemic” — or many epidemics circulating at once.
September 3, 2021
Pandemic Shifts Epicenter Ahead of the Holiday
COVID-19 cases continue to increase for most of the country, but the epicenter of the outbreak is shifting.
August 24, 2021
Nebraskans & Utahns, Important Notice About COVID Data in Your State
These states changed the way they report COVID data which creates issues for HealthWeather
August 20, 2021
Two Areas to Watch as the Pandemic Marches North
The current wave of the pandemic that began around Arkansas is marching north.
August 13, 2021
We Are Preparing for a Multidemic
As COVID grows and respiratory illnesses rise, the impending flu season will get complicated
August 12, 2021
Kinsa’s 'Multidemic' Prediction on MSNBC
If you caught our CEO Inder Singh on MSNBC this morning, you may be wondering “whoa — multidemic!? What does that mean?”
August 6, 2021
As Cases Increase, so Do Vaccinations
Nationally, cases continue to crawl northward from the outbreak’s epicenter in the south.
August 6, 2021
All Eyes on Delta as Schools Reopen
Educators and parents alike are glued to news about how this new Covid wave will affect school reopening
July 30, 2021
Yes, This Is Another COVID Wave
Sadly, we’re back to a situation all too familiar - COVID cases are rapidly increasing across the country
July 23, 2021
COVID Outlook: Every State Seeing Increased Cases
COVID-19 cases increased 180% from two weeks ago
July 23, 2021
How to Keep Unvaccinated Children Safe
We have insights and tips for how to keep children safe until they receive COVID-19 vaccines
July 16, 2021
Please Get Vaccinated. These Numbers Explain Why.
COVID-19 cases take a dramatic turn, even in vaccinated states
July 9, 2021
The States We're Watching as Illness Rises
National vaccination rates are largely stalling, leading to increased cases in several parts of the country.
July 2, 2021
4 states where COVID risk calls for extra caution this July 4th weekend
Warning signs began to flash this week as national declines in COVID cases slowed, and many states saw cases increase
June 24, 2021
Cases Decrease in Most States, but Others See Steep Increases
COVID-19 cases are declining, though at a slower pace than a few months ago.
June 16, 2021
The Road Back To Normal Is Paved in Illness: A Lesson From Texas
Illness roared back into Texas in a big way after the state rolled back COVID-19 preventative measures
June 9, 2021
Nationally COVID Continues Decline, With a Few Regional Outliers
COVID-19 cases continue to decline, but three states saw double-digit increases in cases
June 8, 2021
New York City Gets Serious About Pandemic Preparedness. Will Other Cities Follow Suit?
The U.S.’s most populous city is implementing an effective early warning system for contagious illness
June 4, 2021
More Good News as Fever Levels Stay Near Historic Lows
ILI is only slightly higher than fever levels a year ago and well below 2018 and 2019 levels.
June 3, 2021
COVID-19 Cases, Hospitalizations and Deaths at Lowest Levels Since the Pandemic Began
After a long holiday weekend, COVID-19 case averages continue to plummet, now sitting at just over 17k new cases per day
May 27, 2021
Illness Down Nationwide, but Children Under 10 Experienced Slightly Higher Rates of Fever
Kinsa data shows that national levels of influenza-like illness (ILI) have fallen for the past week
May 26, 2021
Fewest Daily Average COVID Cases Since June 2020
This week, average cases are around 24,00 new cases per day, levels not seen since June 2020.
May 21, 2021
Wealthy, Educated Urban Counties Drove April COVID Cases
The demographics of the sickest counties last month stand out in stark contrast to those in previous phases.
May 20, 2021
The Two Week Average of COVID-19 Cases Is Down Across Most Of the Country
COVID-19 case numbers continue to drop, with the seven-day average dipping down to around 30k cases per day
May 14, 2021
18-25 Y/O on the Mend and Most Illness Metrics Trended Down
As of May 14, Kinsa data shows that national levels of influenza-like illness (ILI) have fallen for the past week
May 13, 2021
Decreases in COVID Numbers Across the Board, Less Illness in Most States
Nationally, COVID-19 appears to be retreating. With 14-day change for all metrics dropping considerably.
May 6, 2021
National Illness Indicators Stay Stable
National influenza-like illness (ILI) levels trended sideways around 0.9% of the population experiencing fevers
May 5, 2021
COVID Cases Continue To Drop Nationally, Arizona Is the Place to Watch
Nationally, COVID-19 cases continued to decline, averaging about 48k new cases per day
April 30, 2021
This Week in Illness, April 30
Illness metrics across the country trended downwards, while a few states saw increases in COVID-19 cases.
April 23, 2021
How Common Are COVID Vaccine-Related Fevers Really?
A survey of 14,000 Kinsa users since March found that 20% of all fevers in our signal were due to a recent vaccination.
April 23, 2021
This Week in Illness, April 23
Vaccine highs and low this week as eligibility opened to everyone over the age of 16, but some areas saw lower demand
April 16, 2021
This Week in Illness, April 16
J&J’s vaccine rollout stalled in an abundance of caution, and cases climbed in the Midwest.
April 9, 2021
This Week in Illness, April 9
Vigilance is the theme of the week. Cases grew across the Upper Midwest and the B117 variant became the dominant strain
April 2, 2021
This Week in Illness, April 2
A roller-coaster week of news and data as COVID-19 cases continued to climb upward and vaccinations continued forward.
March 31, 2021
In the US, COVID-19 Transmission Thrives in Nicer Weather
Warmer temperatures bring out diners, revelers and the coronavirus.
March 26, 2021
This Week in Illness, March 26
This week marked another turning point in the COVID-19 pandemic in America.
March 19, 2021
This Week in Illness, March 19
COVID-19 cases and Kinsa’s illness indicators were flat this week, despite a few outliers.
March 18, 2021
HealthWeather: A Year in Review
On March 18, 2020 Kinsa launched HealthWeather.us with the goal of showing how illness starts and spreads.
March 13, 2021
This Week in Illness, March 12
COVID cases, hospitalizations and deaths decreased leaving the nation near summer levels.
March 11, 2021
On Vaccines
We rounded up our board of clinicians and epidemiologists to brief you on what to expect when you get your vaccine
March 6, 2021
This Week in Illness, March 5
Some states are starting to relax public health measures, but Kinsa data signals show this move may be premature.
February 27, 2021
This Week in Illness, February 26
COVID-19 deaths surpassed 500k, vaccine progress continued and a third vaccine may be approved as soon as Saturday.
February 18, 2021
Poverty is a Public Health Problem
Analyzing data in SF, NYC and LA shows a clear inverse relationship between income and illness, even before COVID-19.
February 12, 2021
FL: Fevers Are Rising Among Seniors, Possibly Due to Vaccines
New data shows a steep increase in the number of elderly Floridians experiencing a fever
February 6, 2021
NY: Uptick in College-age Illness Tempers Outlook
Fevers among 18- to 25-year-olds in New York have spread steadily in the past week.
January 26, 2021
The Southwest’s COVID Bubble Was Bigger Than You Might Think
Travel to Las Vegas and a new coronavirus variant likely led to surge across Southern California, Arizona and Nevada.
January 22, 2021
Cautious Optimism as National Illness Levels Trend Downward
Three main indicators informing Kinsa’s early warning system for spreading illness are decreasing on a national level
January 14, 2021
The Holiday Surge Is Just Beginning
It’s tempting to think we are past the damage caused by end-of-year gatherings. Unfortunately...
January 4, 2021
Fever Levels Rebound Over Holiday Break
The Christmas holiday was followed by a noticeable rise in illness associated with the coronavirus.
December 22, 2020
Are the New Lockdowns Working?
The latest round of interventions is showing inconsistent results.
December 17, 2020
Post-Thanksgiving, COVID-19 Trends Diverge
n New York City, flu-like illness has stayed low among 2-9-year-olds since elementary schools reopened
December 10, 2020
Midwest Plateaus While Sunbelt and Coastal States Surge
South Carolina and Mississippi are at the top of our watchlist for rapid case growth. 46 states are still...
December 3, 2020
Case Growth Likely for Most States, a Glimmer of Hope for a Few
We predict rapid case increases in Georgia, Nevada and Delaware.
November 25, 2020
Coastal Cases Continue to Climb, Arizona and Others Turn Critical
The HealthWeather Briefing is here to help you understand the spread of COVID on a national scale.
November 20, 2020
Flare Ups Likely on Both Coasts
35 states are at critical COVID risk, meaning that they have very high case counts and cases are projected...
November 13, 2020
Hard Times Ahead as Minor Gains Lost
Data from this week shows record case numbers and hospitalizations, Kinsa’s data show no signs of things getting better.