Pfizer and Valenva are seeking regulatory approval from the Food and Drug Administration for a Lyme disease vaccine in development that's more than 70% effective against the tick-borne illness.

Vaccine maker Pfizer said Friday that trials of its vaccine in children ages 2 to 5 show that it did not provide the expected immunity in kids this age, and it is adding a third dose to the regimen.

A third dose of the Pfizer/BioNTech COVID-19 vaccine can "strongly" boost protection against the delta variant -- beyond the protection afforded by the standard two doses, suggests new data released ...

Positive phase 3 findings may reshape Lyme disease prevention among people with frequent tick exposure across endemic regions ...

Those eager to discredit Pfizer's mRNA vaccine, which is safe and effective, exploited the cruise ship outbreak.

Lyme disease is an illness caused by bacteria most commonly spread to humans from ticks. It can cause arthritis, muscle weakness and pain.

Lyme disease is the most common tick-borne infectious disease in the United States. There is no vaccine to protect against it in humans. Biopharmaceutical company Pfizer and Valne ...

Hantavirus pulmonary infection is a disease caused by some hantaviruses, not the Pfizer-BioNTech COVID-19 vaccine, contrary ...

(Reuters) -Pfizer Inc said on Thursday it sold a part of its stake in German drugmaker BioNTech SE, more than five years after both firms formed an alliance that yielded a vaccine to combat the deadly ...

PHILADELPHIA -- To help fend off another wave of Covid-19, people will need a fourth dose of vaccine, Pfizer CEO Albert Bourla said Sunday. "Many variants are coming, and Omicron was the first one ...

LOS ANGELES -- The COVID-19 vaccines made by Pfizer and Moderna both require two doses to be administered, several weeks apart, for them to be fully effective. But there has been some scientific ...