Coronavirus vaccines

Covid-19: what is known about nasal vaccines against covid and why they can be more effective than traditional vaccines

Covid-19: qué se sabe de las vacunas nasales contra la covid y por qué pueden ser más efectivas que las vacunas tradicionales

In this new phase of the pandemic, the effectiveness of the administered vaccines is analyzed and the need for booster doses for the most vulnerable people is debated. At the same time, research continues to go one step further in the fight against covid-19. Prevent transmission of the virus with new vaccinesor reduce it more …

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COVID: CDC Advisors Recommend Pfizer and Moderna Vaccines Over J&J

La FDA advierte a las personas con antecedentes de ciertos coágulos sanguíneos que eviten la vacuna de Johnson & Johnson.

The FDA is warning people with a history of certain blood clots to avoid the Johnson & Johnson vaccine. Photo: Michael Ciaglo / Getty Images The Vaccine Advisors at the Centers for Disease Control and Prevention (CDC) in the United States voted unanimously Thursday to recommend that people seeking vaccines or Safer and more effective …

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Pfizer says its COVID-19 vaccine is over 90% effective in children ages 5 to 11

Si se aprueba su dosis más baja, la vacuna de Pfizer sería la primera en ser autorizada para niños de hasta 5 años.

If its lowest dose is approved, Pfizer’s vaccine would be the first to be licensed for children up to 5 years of age. Photo: Cindy Ord / Getty Images The Studies have shown that children’s doses of Pfizer’s COVID-19 vaccine are safe and more than 90% effective in children between the ages of 5 and …

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What happens if I combine vaccines in the booster dose?

Los científicos actualmente investigan si los refuerzos heterólogos pueden funcionan mejor que dos dosis idénticas.

Scientists are currently investigating whether heterologous boosters can work better than two identical doses. Photo: Michael M. Santiago / Getty Images The complete vaccination schedule comprises two or more doses of the same substance and it seems imminent that the Food and Drug Administration (FDA) will allow Americans to switch vaccines when they choose a …

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Coronavirus: what does the percentage of effectiveness of vaccines mean and how is it measured?

Coronavirus: qué significa el porcentaje de efectividad de las vacunas y cómo se mide

Covid-19 vaccine effectiveness figures are piling up in the headlines, raising hopes for a world eager to overcome the nightmare of the pandemic. The last known figure was the 92% efficacy that an article published in the scientific journal The Lancet attributes to the Russian vaccine Sputnik-V, which adds to the 95% reported by the …

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