And if these threats are not addressed, millions of lives will be endangered.
Here is a picture of 10 urgent health issues, according to the UN's public health agency:
One of the most controversial recent health issues in the United States is already an international concern.
"Vaccination – reluctance or refusal to vaccinate despite the presence of vaccines – threatens to reverse the progress made in combating vaccine-preventable diseases," said the WHO . "Vaccination is one of the most cost-effective ways to avoid the disease – it currently prevents 2-3 million deaths a year, and an additional 1.5 million can be avoided if the global coverage of vaccination improves."
The health agency has cited the latest 30% global increase in measles cases – a disease that has almost been destroyed in some countries.
"The reasons for this rise are complex and not all of these cases are due to fluctuations in the vaccine," the WHO said. "However, some countries that have been close to eradicating the disease have seen a revival." There is a dark side of the incredible success of antibiotics, antivirals and antimalarials: The excessive use of such treatments has led to drug-resistant superconsumer.
"Now is the time with these medicines," the WHO said. "Antimicrobial resistance – the ability of bacteria, parasites, viruses and fungi to resist these drugs – threatens to bring us back to the time when we could not easily cure infections such as pneumonia, tuberculosis, gonorrhea and salmonellosis
About 1.6 million people die each year from tuberculosis and many patients suffer because antibiotics do not work  "In 2017, around 600,000 cases of tuberculosis were resistant to rifampicin – at the most the first-line active drug – and 82% of these people had multidrug-resistant tuberculosis, "said WHO.
The Agency said it was working on a plan to combat antimicrobial resistance by raising awareness, reducing infections and promoting prudent use of
"Microscopic airborne pollutants can penetrate the respiratory and circulatory systems, damage the lungs, heart and brain, killing 7 million people prematurely each year from diseases such as cancer, stroke, heart and lung disease," the agency said.