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Posts Tagged ‘measles’

World of Disasters

Monday, January 13th, 2020

January 13, 2020

Earth has been a particularly dangerous place in recent weeks. Airplane crashes, military clashes, terror attacks, and political unrest have taken a toll on human life and happiness lately, but it is a series of natural disasters that has caused the most trouble. A typhoon ravaged the Philippines, deadly flash floods hit Indonesia, bushfires continued to rage in Australia, a measles epidemic continued to kill in the Democratic Republic of the Congo, and a series of earthquakes rattled Puerto Rico.

Fire and Rescue personal run to move their truck as a bushfire burns next to a major road and homes on the outskirts of the town of Bilpin on December 19, 2019.  Credit: © 1234rf/Shutterstock

Firefighters confront a bushfire near the Blue Mountains town of Bilpin, New South Wales, on Dec. 19, 2019. Credit: © 1234rf/Shutterstock

On Christmas Eve and Christmas Day Typhoon Phanfone (also called Ursula) struck the Philippines, producing high winds and flooding that killed 105 people in the Visayan Island provinces of Biliran, Capiz, Iloilo, and Leyte. Phanfone was a Category 2 storm (moderate strength) with sustained winds of more than 90 miles (150 kilometers) per hour. Storm surges and deadly flash floods hit communities just as families were gathering to celebrate the Christmas holiday. Thousands of homes were damaged or destroyed.

On New Year’s Day in Indonesia, abnormally heavy monsoon rains caused flash floods that killed 66 people and displaced hundreds of thousands of others in Jakarta, the capital. Some 14.5 inches (37 centimeters) of rain fell on New Year’s Eve, causing the Ciliwung and Cisadane rivers to overflow. Floodwaters submerged more than 150 neighborhoods and caused landslides in the Bogor and Depok districts on the outskirts of Jakarta. Flood water levels in some areas peaked at more than 13 feet (4 meters). Electric power was cut off, and closed schools and government buildings were converted into emergency shelters.

On January 7, the World Health Organization announced the 6,000th death from measles in the Democratic Republic of the Congo (DRC) since an epidemic began there in 2019. More than 300,000 suspected measles cases have been reported in the DRC—a nation also troubled by recent terror attacks. The epidemic has continued and grown because of low vaccination coverage, malnutrition, weak public health systems, outbreaks of other epidemic-prone diseases (such as Ebola), and the difficulty of getting health care to people in remote areas.

In Puerto Rico, after several smaller earthquakes, a 6.4-magnitude temblor struck the southwestern part of the island on January 7. The earthquake, the strongest to hit Puerto Rico in more than 100 years, killed one person, toppled hundreds of structures, and forced a state of emergency. Many people lost their homes, the island briefly lost electric power, and schools and public offices were closed. In the 10 days before the 6.4-magnitude earthquake, the United States Geological Survey recorded hundreds of temblors in Puerto Rico—including 10 of 4-magnitude or greater.

A number of major bushfires have lately devastated southeastern Australia. Since September, the wild fires—mostly in New South Wales, Queensland, and Victoria—have burned more than 25.5 million acres (10.3 million hectares), an area the size of South Korea. The bushfires have destroyed more than 2,100 homes and killed 27 people and hundreds of millions of animals. On January 8, the Australian government ordered the mass slaughter of thousands of wild camels and horses that have invaded rural towns looking for water. Many people are without electric power and telecommunications in Australia’s southeast, and some were without drinking water and other supplies. Smoke has obscured the city skies of Canberra, Melbourne, and Sydney. The bushfires followed a three-year drought that experts link to climate change.

Tags: australia, bushfire, climate change, Democratic Republic of the Congo, earthquake, epidemic, floods, indonesia, measles, philippines, puerto rico, typhoon
Posted in Animals, Conservation, Crime, Current Events, Disasters, Environment, Government & Politics, Health, Holidays/Celebrations, Medicine, Military Conflict, Natural Disasters, People, Terrorism, Weather | Comments Off

Measles Returns

Wednesday, May 8th, 2019

May 8, 2019

Measles is making a comeback. The highly contagious disease is characterized by the spotty pink rash it causes over the body. Once rare, measles has come roaring back in the United States, as more than 750 cases were officially recorded in the first four months of 2019. That number is more than twice the amount of U.S. cases typically recorded in a full year. The new measles cases were primarily recorded in large outbreaks in the states of New York and Washington, but the disease has also appeared in 21 other states.

Health Worker administrating anti-measles epidemic vaccination to child during Anti-measles immunization campaign at Rashidabad area on May 23, 2014 in Peshawar.  Credit: © Asianet-Pakistan/Shutterstock

A health worker gives a measles vaccine to a young girl in Peshawar, Pakistan. Credit: © Asianet-Pakistan/Shutterstock

Measles chiefly strikes young children, but it is increasingly affecting adolescents and young adults. People who have the disease pass the virus by coughing and sneezing. People can spread the disease long before they realize they are ill. Three to five days after the first symptoms appear, faint pink spots break out over the body. Few people in the United States die of measles. But the disease is dangerous to those with a weakened immune system, and measles kills many undernourished children in other countries.

A child with measles, seen in this photograph, shows the characteristic pink rash that spreads all over the body. Measles occurs chiefly in children, but some young adults also catch it. Credit: © Lowell Georgia, Photo Researchers

A child with measles shows the characteristic pink rash that spreads over the body. Credit: © Lowell Georgia, Photo Researchers

Public health experts are dismayed that measles has regained a foothold in the United States, where it was once eradicated. In 2000, the U.S. Centers for Disease Control and Prevention (CDC) announced that measles had been completely eliminated. This was an important public health achievement made possible by the widespread use of the highly effective measles vaccine. Of course, that did not mean that measles was completely gone. CDC officials still recorded a number of cases brought in from travelers—mostly from parts of Asia and Europe where measles is less well controlled. But, until recently, measles transmission in the United States had ended.

In recent years, however, a misinformed yet highly visible anti-vaccination (anti-vaxx for short) movement has led to fewer vaccinations, which has in turn led to the current measles outbreak. Anti-vaxx activists in the United States have launched a coordinated effort to convince parents not to vaccinate their children. They falsely claim that childhood vaccinations can cause a variety of health complications, autism, or even death. This disinformation is spread through websites, Facebook, and other social media. Medical professionals point out that anti-vaxx claims are often misleading and lack any credible or relevant evidence.

The anti-vaxx movement has spearheaded efforts to allow parents to opt out of mandatory vaccinations previously require to enroll their children in public schools. The latest measles outbreak is spread primarily though such unvaccinated students, who expose other children to measles and other preventable diseases, such as whooping cough.

Unvaccinated people, including those who may have a weakened immune system from chemotherapy, can be protected from measles through herd immunity. This term describes a population protected from a disease because high rates of vaccination make it impossible for the virus to spread. Although the measles virus can remain infectious for two or more hours outside the human body, the virus ultimately requires a human host to reproduce. If enough people in a population are vaccinated, the cycle of transmission is disrupted, and the virus will become extinct.

However, herd immunity does not work unless a great majority of the population is vaccinated. To achieve herd immunity for measles, at least 90 to 95 percent of the population needs to be vaccinated. In the past, this was achieved through mandatory vaccinations for school children. In recent years, however, increasing numbers of parents have requested vaccine exemptions for their children on ethical or religious grounds. Many states, cities, and school districts are now reconsidering allowing such exemptions.

Tags: anti-vaxx, disease, epidemic, immunization, measles, vaccine
Posted in Current Events, Education, Medicine, People, Science | Comments Off

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