Scientists Hope Nasal Vaccines Will Help Halt COVID Transmission

The current generation of COVID vaccines remain essential to protect us against severe illness and death. But now leading scientists are calling for a renewed focus on nasal COVID vaccines, delivered through a spray up the nose rather than an injection. They say nasal vaccines have the best chance of being able to halt COVID transmission and bring infections down to a manageable level. Many now view a nasal vaccine as the most realistic way of achieving nasal immunity and breaking the chain of COVID transmission. More than a dozen clinical trials of nasal vaccines are under way. Read more from the Guardian here.