Coronavirus | Johnson & Johnson Says Its COVID-19 Vaccine Has an Overall Efficacy of 66%

The vaccine Johnson & Johnson against COVID-19 has an overall efficacy of 66%, although lower in South Africa, country where a variant of the coronavirus is spreading more contagious, the US pharmaceutical company announced Friday in a statement.

The vaccine, which only requires one injection, is 85% effective in preventing severe forms of the disease, according to an extensive clinical trial. AFP

Newsletter All about the coronavirus

COVID-19 has put everyone on alert. Subscribe to our newsletter All about the coronavirus, where you will find the most relevant daily data in the country and the world on the progress of the virus and the fight against its spread.


– ‘Espacio Vital’: What is pandemic fatigue and how to avoid it? Dr. Elmer Huerta responds:


Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.