healthcare

Blood clots are more likely after Covid-19 than after vaccination, research shows

Pfizer’s CEO says the third dose of Covid vaccine will likely be needed within 12 months

Pfizer, Moderna vaccines can also cause ultra-rare blood clots, study claims

Fentanyl has spread west and overdose is increasing

Merck is ending development of the Covid drug it has acquired from OncoImmune

Variants feed Covid-19 peak, but scientists are voting optimism for vaccines

Experts discuss whether it is possible to achieve Covid immunity

CDC Panel Delays J&J Vaccine Decision While Investigating Rare, But Serious Blood Clot Problem

Moderna is discussing production of Covid-19 vaccines with Nexus Pharmaceuticals, sources say

Denmark will be the first country to permanently discontinue use of the AstraZeneca vaccine