Covid-19 Vaccine Delivery Mechanism

Nearly a quarter of the world's population may not have access to a COVID-19 vaccine until at least 2022, according to a study published in The BMJ today, which warns that vaccines will be as challenging to deliver as they were to develop.

Nearly a quarter of the world's population may not have access to a COVID-19 vaccine until at least 2022, according to a study published in The BMJ today, which warns that vaccines will be as challenging to deliver as they were to develop.