A complex picture of increased vaccine demand in the face of increased activity from SARS-CoV-2 variants is prompting global health groups to search for ways to keep production flowing and add more doses.Meanwhile, regulatory groups are looking into rare reports of bleeding problems in people who receive the AstraZeneca-Oxford vaccine and whether blood clots might also be linked to the Johnson & Johnson vaccine.
And surges rose to new record levels in a number of hotspot countries, including Argentina, Brazil, India, and Turkey.Low-income nations get fraction of supplyAt a World Health Organization (WHO) briefing today, Director-General Tedros Adhanom Ghebreyesus, PhD, said more than 700 million vaccine doses have been given across the