Yes. True
true
true
Vaccines prevent diseases, medications treat them.
Nope
Microorganisms can be used as vaccines. Some microbes can be genetically engineered to produce components of vaccines.
because some of them may be harmful to the body
vaccines
Doctors give people vaccines sometimes even penicillin to keep them healthy.
vaccines
Yes, that is exactly how cell/virus free vaccines are made. They usually have much milder side effects than vaccines containing whole (killed or attenuated) cells or viruses.
There are a number of possibilities including proper hygiene, pasteurization, vaccines, and better medications.
There is currently no malaria vaccine, but it has been years in the making and is now close to being licensed. In the meantime, there are many medications to remedy malaria.
'Vaccines' are a suspension of dead, attenuated, or otherwise modified microorganisms (viruses, bacteria, or rickettsiae) for inoculation to produce immunity to a disease by stimulating the production of antibodies