United States Latest Developments
- The Biden administration hit its goal of 100 million shots in its first 100 days on 19 March, six weeks early. They have set a new goal, 200 million doses by the 100th day. The country appears to be on track to meet this goal as vaccine supply ramps up.
- Nearly 2.8 million shots were administered on average in the last seven days. This compares with just over 2.5 million doses administered per day on average two weeks ago. So far, around 96 million people have received at least one vaccine dose.
- At current pace, 50% of the population will have been at least partially vaccinated by early May, with herd immunity, estimated around 70%, reached in mid-June. These projections continue to improve as more vaccine supply reaches states.
- Pfizer announced strong preliminary results for it's vaccine in 12-15 year old children, noting a 100% efficacy against COVID-19 in the clinical trial.
For the latest United States case counts, click here.




