Half a million sharks could be killed for natural oil to produce coronavirus vaccines
Half a million sharks could be killed for their natural oil to produce coronavirus vaccines, according to conservationists.
One ingredient used in some COVID-19 vaccine candidates is squalene, a natural oil made in the liver of sharks.
Squalene is currently used as an adjuvant in medicine – an ingredient that increases the effectiveness of a vaccine by creating a stronger immune response. Read More >