Fully vaccinated visitors to Walt Disney Co.’s U.S. theme parks will not be required to wear face masks in most areas starting on June 15, the company said, as the country’s Covid-19 cases continue to decline.

New mutations, or variants, of the SARS-CoV-2 virus that causes Covid-19 are continuing to be discovered. Health officials in Florida cited a new mutation of the Brazilian strain (P.1) that they are calling P2 or P.1.1.

Genetically modified mosquitoes were released for the first time in the United States, taking flight in the Florida Keys in a pilot program intended to reduce the spread of deadly diseases such as dengue, yellow fever and the Zika virus.

The Biden administration on April 16 said it will invest $1.7 billion to help states and the U.S. Centers for Disease Control and Prevention fight Covid-19 variants that are rapidly spreading across the United States.

Calcium, a full-service, independent healthcare marketing agency, announced today the opening of a new office in Miami. 

New York City-based Pfizer announced plans to create a professional services office in Tampa, Florida and a major construction project in Portage, Michigan.

Several U.S. states on March 25 announced broad expansions of their Covid-19 vaccine rollouts, with California opening immunizations to all adults aged 50 and older starting April 1 and Florida making anyone 40 and up eligible from March 22.

The United States crossed 30 million coronavirus cases on March 24, according to a Reuters tally, as states accelerate the vaccination process by lowering age limits.

Nearly 9 million Americans had been given their first Covid-19 vaccination dose as of Jan. 11, the U.S. Centers for Disease Control and Prevention said, as states scrambled to step up inoculations that have yet to slow the roaring pandemic.

More than two-thirds of the 15 million coronavirus vaccines shipped within the United States have gone unused, U.S. health officials said on Jan. 4, as the governors of New York and Florida vowed to penalize hospitals that fail to dispense shots quickly.