The Chicago Public Schools announces that schools in Chicago, Illinois, has been canceled for a third consecutive day as teachers in the city go on a strike over COVID-19 protocols. 2022-01-6
The Saudi Food and Drug Authority approves the usage of the Pfizer–BioNTech COVID-19 vaccine for children between the ages of 5 and 11 years old. 2021-11-3
First Minister Nicola Sturgeon self-isolates after being close contact to someone who has tested positive for COVID-19. 2021-08-29
Phase III clinical trials for the Novavax COVID-19 vaccine candidate conclude in the U.S. and Mexico, showing an efficacy rating of 90.4%, down from the initial estimate of 96.4% efficacy reported in March. Additionally, the vaccine candidate was also found to be 86.3% effective against the Lineage B.1.1.7 Alpha variant that originated in the United Kingdom. 2021-06-14
The Israeli Maccabi Healthcare Services confirm that, in a trial of 602,000 people who received the Pfizer-BioNTech vaccine, the vaccine's effectiveness was 95%. 2021-02-17
Los Angeles County reports their first case of the UK variant of SARS-CoV-2 in a man who traveled to the United Kingdom and is currently in quarantine in Oregon. 2021-01-16