Yale New Haven Health COVID-19 Milestones

Friday, March 5, 2021

New Haven, CT (March 5, 2021) – Yale New Haven Health (YNHHS) has been providing a lot of numbers throughout the COVID pandemic. We want to share some numbers from throughout our Health System since COVID-19 began.


Jan. 30 - WHO declares public health emergency First confirmed case of person-to person transmission in the US

YNHHS holds the first COVID-19 press conference with US Rep. Rosa DeLauro and Rick Martinello, MD, YNHHS

March 9 - YNHHS launches state’s first COVID 19 Call Center; 300 calls in the first 6 hours; 2676 calls in the first week. GH launches YNHHS first specimen collection center. First COVID positive patient at Bridgeport Hospital

March 11 - First COVID positive patient diagnosed at Greenwich Hospital March 13 YNHHS Virology labs created their own COVID-19 test and begin in-house testing – previously all tests had to be send to the CDC

March 14 - First COVID positive patient at Yale New Haven Hospital (YNHH)

March 17 - YNHH moves inpatients to create the state’s first dedicated COVID units

April 24 - YNHHS hits peak number of inpatients at 780

April 29 - YNHHS discharges 1500th COVID-19 patient from YNHH M

ay 14 - YNHCH treating state’s first four pediatric patients with multisystem inflammatory syndrome

May 18 - YNHHS discharges 2500th COVID-19 patient from Greenwich Hospital

May 21 - YNHHS labs have performed nearly 15,000 COVID tests with 95% being resulted within 24 hours.

Aug. 17 - YNHHS and Yale School of Medicine start Phase 3 of Pfizer vaccine trial through the Yale Center for clinical investigation

Dec. 15 - YNHHS begins employee vaccination.


Jan. 21 - YNHHS begins to administer vaccinations to the public

Feb. 17 - YNHHS starts in-home vaccinations to assist those who are housebound

Feb. 22 - 100,000th patient vaccinated by YNHHS

March 2 - YNHHS has discharged more than 9,400 patients. YNHHS starts vaccinating in churches around the state to get vaccine to black and brown communities

Since the start of the pandemic:

o YNHHS has discharged over 9,400 patients’ home

o YNHHS has performed over 823,000 COVID-19 tests

o Over 72% of all YNHHS employees have been vaccinated.

o More than 113,000 vaccinations have been administered by YNHHS.

o On social media, we’ve shared more than 21,000 posts, reaching over 76 million people. Our posts have received 268,000 likes and 64,000 loves on Facebook.

o YNHHS COVID webpages have been viewed 3.7 million times in more than 128 countries.

We continue to care for COVID and non-COVID patients in hospitals throughout our health system. With the numbers declining throughout our state and system, we are hopeful that we have seen the peak of this pandemic but we’re not out of the woods. Getting the public vaccinated is critical and in the meantime, everyone needs to continue social distancing, hand washing and wearing masks remains critical. Vaccinations are helping and we encourage everyone to continue to do all they can to help end the spread of COVID in our communities.

Yale New Haven Health (YNHHS), the largest and most comprehensive healthcare system in Connecticut, is recognized for advanced clinical care, quality, service, cost effectiveness and commitment to improving the health status of the communities it serves. YNHHS includes five hospitals – Bridgeport, Greenwich, Lawrence + Memorial, Westerly and Yale New Haven hospitals, several specialty networks and Northeast Medical Group, a non-profit medical foundation with several hundred community-based and hospital-employed physicians. YNHHS is affiliated with Yale University and Yale Medicine, the clinical practice of the Yale School of Medicine and the largest academic multi-specialty practice in New England. Yale New Haven Hospital is the primary teaching hospital of Yale School of Medicine. www.ynhhs.org

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