WHO Scientist Says Herd Immunity Won't Be Achieved This Year

The World Health Organization's chief scientist highlights that achieving worldwide herd immunity against COVID-19 may require more than just vaccination efforts. In 2021, maintaining social distancing and other safety measures remains crucial. Experts suggest a 70% vaccination rate is necessary for herd immunity, but the high transmission rate of COVID-19 might demand an even higher rate.

What does the WHO's chief scientist believe about achieving global herd immunity?

• It will not be enough with current measures.

• It will be easily achieved with current measures.

• It has already been achieved.

• It is not necessary to achieve.

Why did the WHO's chief scientist emphasize social distancing in 2021?

• Because it was no longer necessary.

• To replace vaccination efforts.

• To maintain control over the virus spread.

• To encourage people to stay indoors permanently.

What is the main reason for maintaining preventive measures like social distancing?

• To control the spread until herd immunity is achieved.

• To make people feel isolated.

• To ensure the virus spreads faster.

• To completely eradicate the virus.

What vaccination rate do most experts believe is necessary for herd immunity?

• 50%

• 60%

• 70%

• 80%

What factor might require a higher vaccination rate than initially thought?

• The lack of public interest in vaccination.

• The high cost of vaccines.

• The easy transmission of COVID-19.

• The slow development of vaccines.