develop a vaccine

Examples (10)

• Researchers are working hard to develop a vaccine for the new virus.
• It usually takes years to develop a safe and effective vaccine.
• Scientists successfully developed a vaccine for polio in the 20th century.
• Several countries agreed to collaborate to develop a vaccine.
• It is extremely difficult to develop a vaccine for HIV.
• The company received a grant to develop a malaria vaccine.
• We hope to develop a vaccine before the next flu season.
• After they develop the vaccine, it must undergo rigorous testing.
• They used new technology to develop the COVID-19 vaccine.
• A new vaccine is being developed to fight the infection.