Don't get COVID-19 booster vaccine too soon

Amid reports of waning COVID-19 immunity, the Food and Drug Administration (FDA) is expected to officially approve a third dose of messengerRNA vaccines for the general public. Moderna and Pfizer are mRNA vaccines.


Mayo Clinic Q and A: COVID-19 vaccine boosters and third doses

DEAR MAYO CLINIC: Both of my parents have been vaccinated for COVID-19. The doctor told my mom she is eligible for a third dose of a COVID-19 vaccine, but my dad is not eligible for a booster now. Can you explain who needs ...


Pressure builds to ban dietary supplement DMAA

Joseph Perez used to gear up for his intense workouts by taking ephedra-based dietary supplements. When they were banned because of safety concerns, Perez turned to an even more potent stimulant called DMAA.

Diseases, Conditions, Syndromes

No need yet to adapt Pfizer vaccine for Covid variants: BioNTech chief

The first generation vaccine developed by BioNTech-Pfizer works against coronavirus variants such as the Delta strain and does not need to be modified for the moment, the chief executive of German company BioNTech said Monday.


More protection: US likely to authorize COVID booster shots

After struggling for months to persuade Americans to get the COVID-19 vaccine, U.S. health officials could soon face a fresh challenge: talking vaccinated people into getting booster shots to gain longer-lasting protection ...


COVID-19 vaccine booster dose cuts infection in those 60 and older

(HealthDay)—Among Israeli adults aged 60 years and older, those receiving a third booster dose of the Pfizer-BioNTech COVID-19 vaccine have rates of confirmed COVID-19 and severe illness that are substantially lower than ...

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