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DEFINITY is an ultrasound contrast agent that is used to improve the quality of an echocardiogram (ultrasound of the heart). This medicine works by changing the way ultrasound waves travel within your heart. It is used to allow certain segments of the heart to be seen more clearly on an echocardiogram.
The world has never been in a better position to end the Covid-19 pandemic, the head of the World Health Organization said on September 14, his most optimistic
outlook yet on the years-long health crisis which has killed over six million people.
"We are not there yet. But the end is in sight," WHO Director-General Tedros Adhanom Ghebreyesus told reporters at a virtual press conference.
That was the most upbeat assessment from the UN agency since it declared an international emergency in January 2020 and started describing Covid-19 as a pandemic
three months later.
The virus, which emerged in China in late 2019, has killed nearly 6.5 million people and infected 606 million, roiling global economies and overwhelming healthcare
systems.
The rollout of vaccines and therapies have helped to stem deaths and hospitalisations, and the Omicron variant which emerged late last year causes less severe
disease. Deaths from Covid-19 last week were the lowest since March 2020, the U.N. agency reported.