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Pakistan floods: A health crisis of epic proportions

With 33 million people affected by flooding, increased risks of waterborne diseases and disrupted access to healthcare.

Illustration of floods in Pakistan

Long COVID, rest, and helping our immune systems recover

Dr Khan on why we need to identify those at risk of long COVID and understand the underlying causes of the illness.

A drawing of a man walking up a ladder, with the COVID virus beside him

Tumours disappear in all participants of small cancer drug trial

Dr Khan looks at ground-breaking results from a drug trial with a small group of rectal cancer patients in the US.

A drawing of doctors in a lab

Can new Omicron subvariants evade vaccine immunity?

Why COVID cases are rising and what we know about how past infections and vaccines interact with Omicron BA.4 and BA.5.

Drawing of the COVID virus

COVID-19, HPV, smallpox and polio: four vaccine successes

Vaccines changed the pandemic’s course. A look at other life-changing vaccines and why hesitancy undoes progress.

An illustration of a sea of large bottles with a label that says "vaccine" on them and a person standing on one of the lids with a board in front of them that they're pointing to with an illustration of various viruses and DNA on the board.

Why your returning sense of smell after COVID may feel strange

A look at why some people report pleasant smells as rancid and how mint and garlic could help retrain noses.

An illustration of what appears to be a blindfolded person smelling flowers.

Could getting COVID increase your risk of developing diabetes?

What you need to know about the possible links between contracting COVID-19 and developing diabetes.

An illustration showing sweets, desserts and some processed food items scattered along a swirly path, with a COVID icon shown to be moving along the path.

Monkeypox: Can it be treated and how worried should we be?

Dr Khan looks at the new outbreak of an old virus that has been detected in about a dozen countries in two weeks.

An illustration depicting monkeypox

Recombinant COVID variants: What is Omicron XE?

When large volumes of two viruses that are genetically linked circulate, there’s a risk of a new ‘hybrid’ virus forming.

Drawing of coronavirus

What’s behind the mysterious hepatitis outbreak in children?

As experts investigate a surge in cases of hepatitis among children, Dr Khan explains the symptoms to look out for.

Drawing of a doctor looking at an x-ray of a child's liver