World Health Organization(WHO) has warned against blanket measures over the novel coronavirus outbreak, pointing out the epidemic outside of China is only affecting a tiny proportion of the population. <br />'' <br />'' WHO also said that COVID-19 is less deadly than other coronaviruses such as Severe Acute Respiratory Syndrome, SARS or Middle East Respiratory Syndrome.<br />'' <br />'' WHO officials rejected the suggestion that all cruises should be halted to avoid risking a new nest of infection like the one on the coronavirus-hit Diamond Princess off Japan. <br />'' <br />'' The outbreak has battered manufacturing and tourism across the region and led to multiple travel restrictions including for flights and cruises. <br />''