Updated 10:08 a.m. ET, January 9, 2021
What you need to know
The US reported more than 4,000 Covid-19 deaths in a single day for the first time during the pandemic, Johns Hopkins University data showed.
The UK has introduced mandatory coronavirus testing for all international arrivals and extended a southern Africa travel ban to curb a new Covid-19 variant.
China has locked down Shijiazhuang,
a city of 11 million people in Hebei province, in an effort to contain the country s worst coronavirus flare-up in months.
Australia s Greater Brisbane has entered a three-day lockdown to stop the spread of the UK strain of Covid-19.
She was trained in chemical engineering and applied chemistry at the University of Toronto, worked in energy research, and then returned to academia to complete doctoral research in biochemical engineering at McGill University. Dr. Sears s work with public science institutions includes: writing the Medical Perspective on Environmental Sensitivities for the Canadian Human Rights Commission, leading to a policy under the Canadian Human Rights Act; carrying out a scoping review on toxic elements (arsenic, cadmium, lead and mercury) with Canadian Institutes for Health Research and Social Sciences and Humanities Research Council funding; and numerous collaborations with members of the Environmental Health Committee of the Ontario College of Family Physicians. One of her central interests is the conduct and interpretation of science in environmental health.