I'm fortunate to be vaccinated and boosted and have access to testing and great medical care.

I've tested positive for COVID. I'm experiencing mild symptoms and am following the experts' advice by isolating until I'm healthy again.

World-changing ideas require bold thinkers and doers to transform them into reality. These new Advisory Group members for the @gatesfoundation’s Goalkeepers initiative are changing the world. https://t.co/xkzo8ot48W

Katalin Kariko (@kkariko) saw the potential of mRNA to save lives when few others did–and she was willing to fight tooth and nail to pursue it: https://t.co/NLmWgQM8Lc https://t.co/tX6qquOe5N

Thank you for having me, @EmmanuelMacron, and for your commitment to tackling some of the world's toughest challenges, like climate change and better health everywhere in the world. I’m excited to continue working towards a future without pandemics. https://t.co/ZLYRUzEDLi

John’s leadership at @AfricaCDC has been remarkable – especially during the last two years. @PEPFAR’s work has saved tens of millions of lives, and there are many reasons to be hopeful about HIV prevention and treatment in the future. https://t.co/sV6DCPFpi5

If we’re going to prevent the next pandemic, the world needs the infectious disease equivalent of firefighters. Also in this video: a cute puppy. https://t.co/KDg2650nhe

@ShereenBhan @CNBCTV18Live Thanks for having me!

This is amazing, John and Ann. It’s great to see you supporting the next generation of innovators—the people we’re all counting on to make clean-energy breakthroughs. https://t.co/rVJYDuY7ce

It was an honor to meet front line heroes like Laura. Your heroic work is an inspiration to us all. https://t.co/d0Nc9Bchbu

I also had a chance to meet up with Gates Foundation Goalkeepers @DanielleAlakija, @abcholmes, @seyiakiwowo, @ThokoPooley, @je1bc, and Our World in Data's @MaxCRoser. https://t.co/SdMkxE9vhO

What a day! I had a great time in London chatting with @amolrajan, @DrWaheedArian, and Professor Dame Sarah Gilbert about my new book. https://t.co/dJf4jfy39u