Claims that Britain has “abandoned science completely” by mixing doses of the two available vaccines have been refuted by the head of immunisations at Public Health England and the editor of the British Medical Journal.
A report in The New York Times suggests Britain is opting for a “mix-and-match vaccine regimen” with the two approved jabs, in which patients are allowed to receive a second dose from a different manufacturer to the first.
Association between COVID-19 outcomes and mask mandates, adherence, and attitudes
Using an event study design, authors estimate the treatment effect of the introduction of mask mandates (shown on the vertical red line) on Z-scored population-normalized COVID-19 daily new confirmed cases, daily new hospitalization admissions proportion, and deaths across all 50 states and D.C. over the time period between February 1 and September 27, 2020.
Source: Dhaval Adjodah, Karthik Dinakar, Matteo Chinazzi, Samuel P. Fraiberger, Alex Pentland, Samantha Bates, Kyle Staller, Alex Vespignani, Deepak L. Bhatt. Association between COVID-19 Outcomes and Mask Mandates, Adherence, and Attitudes.