News & Perspective

In other developments, 70 countries have now detected the B117 variant, and more nations have also reported the 501Y.V2 and P.1 variants.

In the past day, the US, Brazil, and India reported more than 143,000 new cases combined.

The WHO issues new COVID-19-related guidance on noncommunicable disease and mass gatherings.

In other updates, measles cases are on the rise in the Americas, but showed another decline in Europe.

Electrostatic differences in a key protein might explain how Zika virus infects human cells.