Everyone who has not been immunized.
it kills them
Measles and mumps are caused by two different viruses and usually affect different organs. Measles usually show with a skin rash while mumps affect the salivary glands near the ear. It can also affect the testicles.
In most low-income countries.
measles-measles mainly affects the skin on your body where a blotchy red rash appears, it also affects your immune system and you get a cough, runny nose and a fever.
Measles
Many children from developed countries used to die of measles in past. Rest of them had depressed immunity for next three months after recovery.
New cases of measles began being reported in some countries--including Great Britain--in 2001 because of parents' fears about vaccine safety.
It can affect people of all ages, despite being considered primarily a childhood illness.
killed off a bunch of people
Measles is most common in countries with lower vaccination coverage, such as several countries in Africa and Asia. The disease can easily spread in areas where there are pockets of unvaccinated individuals.
you can in measles you can in measles
I thought measles was already the singular word. For example, "He has measles." Measles is already plural as well. For example, "They all have measles."