A new study published in the journal Current Medical Research and Opinion, has found that long Covid is not only far more likely to afflict women as compared to their male counterparts, but they will also experience a completely different set of symptoms.
The vaccine, based on the beta coronavirus variant, showed 93% efficacy against symptomatic omicron infection for people who had already had Covid, Sanofi said.
Vaccines cut the potential global death toll from the coronavirus in half during the first year they were rolled out, according to a mathematical modeling study published in the Lancet Infectious Diseases.
Pfizer, which has produced the majority of Covid-19 vaccines with roughly seven billion doses to date, took no money from Operation Warp Speed (OWS) to discover, produce or distribute its vaccine.