Climate change is bringing malaria to new areas. In Africa, it never left | Health - Hindustan Times
close_game
close_game

Climate change is bringing malaria to new areas. In Africa, it never left

PTI | | Posted by Tapatrisha Das, Lagos
Apr 25, 2024 12:37 PM IST

Climate change is reviving or migrating the threat of some diseases, mainly Malaria, whiich is killed millions of people by now.

When a small number of cases of locally transmitted malaria were found in the United States last year, it was a reminder that climate change is reviving or migrating the threat of some diseases. But across the African continent malaria has never left, killing or sickening millions of people.

Climate change is bringing malaria to new areas. In Africa, it never left(Unsplash)
Climate change is bringing malaria to new areas. In Africa, it never left(Unsplash)

Take Funmilayo Kotun, a 66-year-old resident of Makoko, an informal neighborhood in Nigeria's Lagos city. Its ponds of dirty water provide favorable breeding conditions for malaria-spreading mosquitoes. Kotun can't afford insecticide-treated bed nets that cost between $7 and $21 each, much less antimalarial medications or treatment.

Unlock exclusive access to the latest news on India's general elections, only on the HT App. Download Now! Download Now!

ALSO READ: Malaria: Why aren't case numbers falling?

For World Malaria Day on Thursday, here is what you need to know about the situation in Africa:

Malaria is still widespread

The malaria parasite mostly spreads to people via infected mosquitoes and can cause symptoms including fever, headaches and chills. It mostly affects children under 5 and pregnant women. Vaccine efforts are still in early stages: Cameroon this year became the first country to routinely give children a new malaria vaccine, which is only about 30% effective and doesn't stop transmission. A second vaccine was recently approved.

Cases of resistance to antimalarial drugs and insecticides are increasing, while funding by governments and donors for innovation is slowing.

Living conditions play a role, with crowded neighborhoods, stagnant water, poor sanitation and lack of access to treatment and prevention materials all issues in many areas. And an invasive species of mosquito previously seen mostly in India and the Persian Gulf is a new concern.

A growing problem

Globally, malaria cases are on the rise. Infections increased from 233 million in 2019 to 249 million in 85 countries in 2022. Malaria deaths rose from 576,000 in 2019 to 608,000 in 2022, according to the World Health Organization.

Of the 12 countries that carry about 70% of the global burden of malaria, 11 are in Africa and the other is India. Children under 5 constituted 80% of the 580,000 malaria deaths recorded in Africa in 2022.

COVID-19 hurt progress

The fight against malaria saw some progress in areas such as rapid diagnostic tests, vaccines and new bed nets meant to counter insecticide resistance, but the COVID-19 pandemic and a shift in focus and funding set back efforts.

A study published in Tropical Medicine and Infectious Disease last year said COVID-19-induced lockdowns led to disruptions at 30% of rural community health service points across Africa. Malaria cases started spiking again, breaking a downward trend between 2000 and 2019.

That downward trend could soon return, according to the WHO.

A warming world and new frontiers

Africa is “at the sharp end of climate change,” and the increasing frequency of extreme weather events causes havoc in efforts to combat malaria in low- and middle-income regions, Peter Sands, the executive director of the Global Fund to Fight AIDS, Tuberculosis and Malaria, warned in December.

In 2023, the WHO's World Malaria Report included a chapter on the link between malaria and climate change for the first time, highlighting its significance as a potential risk multiplier. Scientists worry that people living in areas once inhospitable to mosquitoes, including the slopes of Mt. Kilimanjaro and the mountains of eastern Ethiopia, could be exposed.

In Zimbabwe, which has recorded some of its hottest days in decades, malaria transmission periods have extended in some districts, "and this shift has been attributed to climate change,” said Dr. Precious Andifasi, a WHO technical officer for malaria in Zimbabwe.

Catch every big hit, every wicket with Crick-it, a one stop destination for Live Scores, Match Stats, Quizzes, Polls & much more. Explore now!.

Catch your daily dose of Fashion, Taylor Swift, Health, Festivals, Travel, Relationship, Recipe and all the other Latest Lifestyle News on Hindustan Times Website and APPs.
This story has been published from a wire agency feed without modifications to the text. Only the headline has been changed.
SHARE THIS ARTICLE ON
Share this article
SHARE
Story Saved
Live Score
OPEN APP
Saved Articles
Following
My Reads
Sign out
New Delhi 0C
Tuesday, May 28, 2024
Start 14 Days Free Trial Subscribe Now
Follow Us On