Pfizer: Respiratory Syncytial Virus vaccine highly effective at protecting newborns

RSV is a common respiratory virus that generally causes mild cold-like symptoms, but it can be dangerous for infants younger than 6 months.

News 12 Staff

Nov 1, 2022, 11:41 AM

Updated 574 days ago

Share:

Pfizer says its Respiratory Syncytial Virus vaccine is highly effective at protecting newborns when the shot is given to the mothers late in their pregnancy, according to clinical trial data published today.
RSV is a common respiratory virus that generally causes mild cold-like symptoms, but it can be dangerous for infants younger than 6 months.
Pfizer’s data says the vaccine showed that in the first 90 days of the baby’s life, the vaccine was 81% effective at preventing severe lower respiratory tract illnesses that require hospitalization or assisted breathing.
In the infant’s first six months of life, the vaccine was about 70% effective at preventing severe illness requiring hospitalization or assisted breathing, according to Pfizer’s data.
Pfizer’s clinical trial followed 7,400 pregnant mothers ages 49 and younger. The vaccine was well tolerated with no safety concerns for the mothers or their newborns, according to Pfizer. The mothers were monitored for six months after delivery for any safety concerns, while the babies were followed for at least a year.
The Pearl River-based company said it will submit an application to the Food and Drug Administration for the vaccine’s approval by the end of 2022. The company said it will also submit the results for peer review.
The CDC has warned that RSV is reaching peak levels in some regions already. An estimated 58,000 kids under 5 years old are hospitalized with the virus every year, according to the CDC.
Symptoms include runny nose, loss of appetite, and a cough that can progress to wheezing.
Infants almost always show symptoms, but for babies younger than six months these symptoms can be more subtle, according to the CDC. RSV does not always result in a fever.
Irritability, decreased activity and appetite, as well as pausing while breathing are all signs that an infant might have RSV, according to the CDC.


More from News 12
1:27
Driver airlifted to hospital after crash on Palisades Parkway ramp in Bardonia

Driver airlifted to hospital after crash on Palisades Parkway ramp in Bardonia

2:10
Mix of sun and clouds today with highs near 80 today, chance of more thunderstorms Wednesday

Mix of sun and clouds today with highs near 80 today, chance of more thunderstorms Wednesday

1:01
Headlines: Woodbourne double stabbing, Rye crash, attempted arson in Poughkeepsie

Headlines: Woodbourne double stabbing, Rye crash, attempted arson in Poughkeepsie

News 12 Westchester/Hudson Valley Daily Poll

News 12 Westchester/Hudson Valley Daily Poll

0:24
Appalachian Trail at Bear Mountain State Park reopens after yearlong closure

Appalachian Trail at Bear Mountain State Park reopens after yearlong closure

2:17
Made in the Hudson Valley: Tarrytown's Main Street Sweets celebrates 25 years of homemade ice cream

Made in the Hudson Valley: Tarrytown's Main Street Sweets celebrates 25 years of homemade ice cream

0:22
Traffic Alert: Kingston water department working to locate system leak

Traffic Alert: Kingston water department working to locate system leak

1:59
Stormy weather doesn't deter holiday travelers

Stormy weather doesn't deter holiday travelers

Is your dad awesome? Hudson Valley tell us why your dad rocks!

Is your dad awesome? Hudson Valley tell us why your dad rocks!

0:22
All lanes reopen on Mario Cuomo Bridge following vehicle rollover accident

All lanes reopen on Mario Cuomo Bridge following vehicle rollover accident

1:04
Mount Vernon offers Civil War songs presentation to commemorate Memorial Day

Mount Vernon offers Civil War songs presentation to commemorate Memorial Day

1:58
White Plains celebrates Memorial Day with parade, ceremony to honor those who have served in U.S. military

White Plains celebrates Memorial Day with parade, ceremony to honor those who have served in U.S. military

0:19
Woman arrested for attempted arson in Poughkeepsie

Woman arrested for attempted arson in Poughkeepsie

0:24
Bruce Springsteen postpones 2 more shows due to vocal issues

Bruce Springsteen postpones 2 more shows due to vocal issues

0:24
2 arrested for double stabbing incident in Woodbourne

2 arrested for double stabbing incident in Woodbourne

1:42
Memorial Day ceremonies and parades kick off around the Hudson Valley

Memorial Day ceremonies and parades kick off around the Hudson Valley

2:11
Fallen heroes honored during Memorial Day ceremonies in Westchester and Rockland counties

Fallen heroes honored during Memorial Day ceremonies in Westchester and Rockland counties

1:44
Remember and honor: Mamaroneck Memorial Day parade pays tribute to sacrifices of veterans

Remember and honor: Mamaroneck Memorial Day parade pays tribute to sacrifices of veterans

Wennberg scores in OT, Rangers top Panthers 5-4 to take lead in East finals

Wennberg scores in OT, Rangers top Panthers 5-4 to take lead in East finals

1:41
Not forgotten: Revelers enjoy Memorial Day parade in Hastings-On-Hudson

Not forgotten: Revelers enjoy Memorial Day parade in Hastings-On-Hudson