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The company is also testing hybrid combinations of vaccine to target multiple coronavirus forms, as well as larger doses.

New research about breakthrough coronavirus infections finds they may be less likely to spread because the vaccinated don't shed the virus as long.

Anticipation is building that younger children will soon be able to get vaccinated against COVID-19, a major milestone on the path out of the pandemic. 

COVID-19's delta variant is highly contagious. Will vaccines work against it? TODAY 6 hrs ago Erika Edwards The delta variant now accounts for half of the COVID-19 cases in many areas of the U.S., President Joe Biden said Tuesday, urging unvaccinated Americans to get the COVID-19 shots as the U.S. faces a dramatic rise in the "hypertransmissible" variant of the coronavirus. His plea included reassurances about the strength of the COVID-19 vaccines available in the U.S. "Fully vaccinated Americans have a high degree of protection, including against this delta variant," Biden ...

The next generation Covid-19 vaccines seeking a slice of the market A new group of vaccine makers is hoping to challenge the Covid-19 shots that are already household names, sharpening competition in what is set to be the first ever jab market to encompass the entire global population. BioNTech/Pfizer and Moderna, the pandemic’s mRNA-based vaccine frontrunners, have already booked billions of dollars in revenue, which they are using to boost production, sign new contracts and entrench their positions. Likewise, Oxford/AstraZeneca and Johnson & Johnson have been rolling out their cheaper and...