The European Union is proposing a COVID-19 certificate to allow people to move more freely, in attempts to boost the summer tourist season.

Known as a Digital Green Certificate, it would allow people in EU nations to travel within the union if they have proof of immunization, a negative test result or documented recovery from the virus.

The certificate would be free and available in digital or paper format.

The U.S. Biden administration announced a plan to use $2.25 billion toward health equity issues related to COVID-19.

The money aims to help expand health services and reduce disparities by increasing testing access and contact tracing for underserved and high risk communities.

Two COVID-19 strains first found in California are now "variants of concern," according to the U.S. Centers for Disease Control and Prevention.

The CDC says the variants might be about 20% more contagious and some treatments might be less effective against the strains.

With more than 25% of its population having received at least one COVID-19 vaccine shot, Chile is among the leaders in vaccine rollout.

In contrast to the beginning of the pandemic, when health services in the country were on the verge of collapsing.

Experts say early negotiations with vaccine producers and previous experience with vaccination programs helped the country during COVID-19, NBC News reports.

As intensive care units across Brazil reach capacity, the country is facing a historic collapse of its health service.

With 2,841 people dying from COVID-19 over a 24-hour span, Brazil reported its highest daily death toll during the pandemic.

COVID-19 units in 25 out 27 of Brazilian states are at or above 80% capacity, the BBC reports.

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