Although the number of measles cases has declined over the past two decades, it remains a deadly threat, especially to young, unvaccinated children in developing countries. But last year’s estimated 9 million cases and 128,000 deaths are up from 7.5 million and 60,700 last year. 2020The increase came amid poor surveillance and vaccine campaigns for the disease delayed by the pandemic, according to the WHO and CDC.
Vaccination can also benefit the community, a concept known as herd immunity. About 95% of the population would need to receive her two doses of herd immunity, but only about 81% of children worldwide received the first dose, and only about 81% received the second dose. Only 71% of her
Measles begins with cold-like symptoms undermine The immune system, making infected people more susceptible to other diseases. In some cases, seizures and blindness are possible. According to the UK National Health Service.
The WHO has previously warned that the fall in measles infections early in the pandemic was the “calm before the storm”.
Despite the coronavirus, “routine immunization must be protected and strengthened,” said Kate O’Brien, WHO’s director of immunizations, vaccines and biology last year. , “I risk exchanging a deadly disease for another”.
Hur Jian, an infectious disease expert at Yeongnam University Medical Center in South Korea, said the recent rebound in global travel suggests a possible resurgence of measles, even in wealthy countries with high vaccination rates. said. Younger generations with less exposure to the disease may have weaker defenses, she added.
The United States declared measles eradicated in 2000. This is defined as one year without infection and a properly functioning surveillance system, although it still occurs occasionally. More than 50 cases have been detected in the United States this year, according to the CDC.
Erin Blakemore contributed to this report.