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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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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.