New variant found in South Africa getting attention for the number and types of mutations and speed at which they occur.
No vaccine is 100 percent effective, and breakthrough cases are no reason to turn down the COVID jab.
Maximum protection through vaccines, rather than herd immunity, is a more realistic option when it comes to COVID-19.
The ‘triple threat’ of COVID, flu and respiratory syncytial virus (RSV) is real as countries open up.
The Delta variant is wreaking havoc around the world, proving we will only be safe when everyone is safe.
How do boosters work and how can we celebrate Eid safely this year?
Some countries are relaxing the requirement to wear a mask in public places indoors, but is it wise?
If countries relax COVID restrictions too soon, a third wave is likely. Plus, did COVID originate in a Wuhan lab?
And, why healthcare professionals like me are incensed by Indian yoga guru Baba Ramdev.
Dr Khan examines the underlying health conditions that cause severe illness in COVID patients.
Dr Khan examines the mounting evidence that children are suffering from long COVID months after catching the virus.
Dr Khan explains how India’s troubles are spreading across the sub-continent, while pregnant women are dying in Brazil.
COVID mutations could spin out of control if situations like that in India continue to occur.
A combination of the UK variant becoming dominant and a new “double-mutant” variant emerging has overwhelmed India.