South Korea suspended free flu shots on Tuesday after reports of problems in storing the vaccinations during transportation, disrupting plans to preemptively ease the burden on a healthcare system already strained by coronavirus outbreaks.
Demonstrators in Madrid complained that new lockdowns to confront mounting case numbers were discriminatory as they mostly affected poorer districts.
The number of infections linked to the cluster climbed to 1,053, with more than 2,000 more people asked to quarantine at home. The majority of infected people are co-workers of the first patient, who is a worker at the garment factory.
The British government says it may take part in a study that tries to deliberately infect volunteers who have been given an experimental vaccine against the coronavirus in an effort to more quickly determine if the vaccine works.