Skin patch coated in covid-19 vaccine may work better than injections

Covid-19 vaccines in use today have to be stored at cold temperatures, but a patch covered in tiny plastic spikes coated in a vaccine could provide an alternative

Skin patch coated in covid-19 vaccine may work better than injections
Covid-19 vaccines in use today have to be stored at cold temperatures, but a patch covered in tiny plastic spikes coated in a vaccine could provide an alternative