'Transmissibility of viruses has gone up in Kol'

iruses that are now in circulation in Kolkata are more transmissible than those in recent years, resulting in wider spread of infections that are often persisting for a month and leading to hospital admissions, say experts

'Transmissibility of viruses has gone up in Kol'
iruses that are now in circulation in Kolkata are more transmissible than those in recent years, resulting in wider spread of infections that are often persisting for a month and leading to hospital admissions, say experts