Source: China – South China Morning PostThey are called the “long-haulers” – the millions of people around the world with Covid-19 who develop various symptoms after they recover from the original infection.Their condition is called “long Covid”, or “post Covid-19 syndrome” and there is little research so far into its cause or treatment.It could remain a worrying public health issue after the pandemic is over.Here’s what we know about it so far.What is long Covid?After contracting the virus, some people go on to develop post Covid-19…Read More