John P. Moore

Nota: Este archivo abarca los artículos publicados por el autor desde el 1 de febrero de 2008. Para fechas anteriores realice una búsqueda entrecomillando su nombre.

Doses of the COVID-19 vaccine developed by Oxford University and U.K.-based drugmaker AstraZeneca are checked as they arrive at the Princess Royal Hospital in Haywards Heath, England, Saturday Jan. 2, 2021.

The rollout of the Pfizer/BioNTech and Moderna Covid-19 vaccines in the US is not proceeding smoothly, which is not surprising given the logistical challenges of administering a novel vaccine that requires two doses. There are similar problems in the UK, where the Pfizer/BioNTech and Oxford University/AstraZeneca vaccines are now authorized, the latter gaining authorization just last week.

Accordingly, the British government, without public discussion and in an opaque manner, is varying the protocols for vaccine administration. The second dose of both vaccines can now be given up to 12 weeks after the first dose. And it even is permitting that different vaccines can be used for the first and second doses in some situations.…  Seguir leyendo »