The rollout of the US COVID-19 vaccination programme slowed up this week because manufacturing delays mean no new doses of the recently approved Johnson & Johnson vaccine are available.
Both the Pfizer/BioNTech and Oxford University/AstraZeneca COVID-19 vaccines are highly effective in reducing COVID-19 infections among older people, according to an emerging study data.
Pfizer may have been making headlines with the COVID vaccine it developed with BioNTech, but it’s not the only infectious disease the big pharma is targeting.
Two researchers have suggested that the second dose of Pfizer and BioNTech’s COVID-19 vaccine could be delayed, as this would increase the number of people that can be protected while suppl