A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease. The safety and effectiveness of vaccines has been widely studied and verified. A vaccine typically contains an agent that...
A COVID‑19 vaccine is designed to induce immunity against SARS-CoV-2, the virus responsible for coronavirus disease 2019 (COVID-19). COVID-19 vaccines help reduce the risk of severe illness, hospitalization and death from the virus. COVID‑19...
Polio vaccine is a vaccine used to prevent poliomyelitis (polio). Two types are used: an inactivated poliovirus given by injection (IPV) and a weakened poliovirus given by mouth (OPV). The World Health Organization (WHO) recommends all children be...
The MMR vaccine (abbreviated as MMR) is a combination vaccine against measles, mumps, and rubella (German measles). It contains the combined measles vaccine, mumps vaccine, and rubella vaccine into a single injection. After two doses, 97% of people...
An mRNA vaccine is a type of vaccine that uses a copy of a molecule called messenger RNA (mRNA) to produce an immune response. The vaccine delivers molecules of antigen-encoding mRNA into cells, which use the designed mRNA as a blueprint to build...
A pentavalent vaccine (or Penta vaccine) combines five vaccines into one dose. Some pentavalent vaccines are: DTwP-HepB-Hib vaccine, which protects against diphtheria, tetanus, whooping cough, hepatitis B and Haemophilus influenzae type B and is...
Vaccine hesitancy is a delay in acceptance or refusal of vaccines despite availability and supporting evidence of effectivity. The term also includes accepting vaccines but remaining uncertain about their use or using certain vaccines but not...
The Vaccine War is a 2023 Indian Hindi-language medical docudrama film directed by Vivek Agnihotri and produced by Pallavi Joshi. It tells about the development of Covaxin during the COVID-19 pandemic in India, shedding light on the efforts of...
The smallpox vaccine is used to prevent smallpox infection caused by the variola virus. It is the first vaccine to have been developed against a contagious disease. In 1796, British physician Edward Jenner demonstrated that an infection with the...
Lyme disease, also known as Lyme borreliosis, is a tick-borne disease caused by species of Borrelia bacteria, transmitted by blood-feeding ticks in the genus Ixodes. It is the most common disease spread by ticks in the Northern Hemisphere....
