Learn languages naturally with fresh, real content!

tap to translate recording

Explore By Region

flag FDA advisers recommend a new COVID vaccine to address waning protection and emerging variants.

flag The FDA advisers recommend a new COVID vaccine, targeting a new virus version, due to the waning protection of last year's shots. flag The effectiveness of the old vaccine peaked at 52.2% for infection prevention and 66.8% for hospitalization prevention after four weeks, dropping to 34.6% and 44.4% after ten weeks. flag The new vaccine aims to boost immunity and protect against emerging SARS-CoV-2 variants.

10 months ago
31 Articles

Further Reading