Which of the following is the cause of most of the recent measles outbreaks in the United States?

The Center for Disease Control and Prevention partially attributes measles outbreaks in the United States to an increase in the number of unvaccinated travelers who come into contact with infected people abroad, contract the disease, and return home while still contagious.

How many cases of measles were there before vaccine?

In the United States, measles affected approximately 3,000 people per million in the 1960s before the vaccine was available. With consistent widespread childhood vaccination, this figure fell to 13 cases per million by the 1980s, and to about 1 case per million by the year 2000.

What percentage of the population is vaccinated against measles?

About 85\% of children globally had received this vaccine as of 2013. In 2015, at least 160 countries provided two doses in their routine immunization.

How can measles be prevented?

Vaccination. Measles can be prevented with measles-containing vaccine, which is primarily administered as the combination measles-mumps-rubella (MMR) vaccine.

Is measles still around today?

Measles can come to the United States from anywhere in the world. Outbreaks can happen in areas where people may be unvaccinated or under-vaccinated, including the United States. Right now, measles outbreaks are occurring in every region of the world.

What percentage of the population was vaccinated for polio?

Between 1962 and 1965, about 100 million Americans (roughly 56\% of the population at that time) received the Sabin vaccine. The result was a substantial reduction in the number of poliomyelitis cases, even from the much-reduced levels following the introduction of the Salk vaccine.

How much of the US is vaccinated?

As of 6 a.m. EDT Dec. 15, a total of 202,845,886 Americans had been fully vaccinated, or 61.1 percent of the country’s population, according to the CDC’s data.