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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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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

Your HealthWeather Questions, Answered

Kinsa’s VP of Data Science answers your questions about our data

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

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

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 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 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 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 1, 2021

How Illnesses Move Through Households

Our resident epidemiologist explores how Kinsa tracks household transmission and what you can do to stay healthy

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

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.