A Canadian study found that protection against the Delta variant was 56% effective against symptomatic infection after one dose of the BioNTech/Pfizer vaccine. Moderna was 72% effective and Oxford/AstraZeneca 67% effective.
Just one dose of the BioNTech/Pfizer, Moderna or Oxford/AstraZeneca vaccines offers higher protection against symptomatic illness caused by the Delta variant than previous studies have shown, a Canadian study has reported., which isn't yet peer reviewed, was announced by AstraZeneca Friday but first published on July 16. It compared the efficacy of the BioNTech/Pfizer, Moderna and Oxford/AstraZeneca vaccines against several variants of concern.
In particular, protection against the Delta variant, first identified in India, was 56 percent effective against symptomatic infection after one dose of the BioNTech/Pfizer vaccine. Moderna was 72 percent effective, and Oxford/AstraZeneca 67 percent. New England Journal of Medicine , using data from Public Health England, that found the effectiveness of the BioNTech/Pfizer vaccine was just 36 percent after a single dose, while one jab of the Oxford/AstraZeneca vaccine 30 percent effective.
As for more severe illness resulting in hospitalization or death, the Canadian study indicated that one dose of the BioNTech/Pfizer, Moderna and Oxford/AstraZeneca vaccines was 78 percent, 96 percent and 88 percent effective, respectively, against the Delta variant. However, one dose of the Oxford/AstraZeneca vaccine showed much lower efficacy against symptomatic illness caused by the Beta and Gamma variants, first detected in South Africa and Brazil, respectively, with efficacy standing at 48 percent. BioNTech/Pfizer had 60 percent efficacy and Moderna 77 percent against the Beta and Gamma variants.
México Últimas Noticias, México Titulares
Similar News:También puedes leer noticias similares a ésta que hemos recopilado de otras fuentes de noticias.
What We Know About the Dangerous Delta VariantThe CDC estimates that the Delta variant now accounts for 83 percent of all new sequenced COVID cases in the U.S. — up from 50 percent at the beginning of the month. Here's what you need to know about the variant
Leer más »
What pediatricians want you to know about the delta variant and kidsBetween camp, vacations and the school year ahead, how safe are summer or fall plans for kids?
Leer más »
Opening Its Economy as Delta Variant Surges, the U.K. Becomes a Covid-19 Test CaseThe U.K.'s experiment in reopening its economy as Delta surges should give a strong signal of whether Covid-19 can be relegated to the status of a manageable menace and whether lockdowns can be consigned to the past
Leer más »
Mississippi runs out of ICU beds as COVID Delta variant sweeps through stateHealth officials have reported ICU units at 13 hospitals in the state are now full, and have urged people to get vaccinated.
Leer más »
California: Hospitalizaciones por coronavirus alcanzan punto más alto en meses; variante Delta se propagaEn todo el estado, el número de pacientes positivos al coronavirus en el hospital se ha duplicado con creces en el último mes, y la tasa ha aumentado aún más en las últimas dos semanas.
Leer más »
Why the Delta variant is spreading so much faster than other coronavirus strainsWorldwide, there is an alarming surge in coronavirus cases -- and health experts say a key factor in this latest wave is the highly contagious Delta variant. Here's what else you need to know about the variant, including why it's spreading so quickly.
Leer más »