Thailand tightens screening for flights from West Bengal amid Nipah virus risk concerns

New screening steps for arrivals linked to Nipah risk

Thailand’s Civil Aviation Authority has said it will implement comprehensive screening for flights arriving from India’s West Bengal, citing the region as high-risk for Nipah virus. The measures are aimed at preventing the virus from entering Thailand and are set to begin from 00:00 local time, with the authority indicating that protocols may be adjusted as the situation evolves.

The plan relies on layered checks starting before the flight departs. Airlines are expected to conduct preliminary health checks at the point of departure. Passengers who show symptoms that warrant closer examination may be asked to provide relevant medical certification before boarding and to follow public health guidance during travel.

Arrival checks: temperature screening and health declarations

On arrival in Thailand, travellers will undergo temperature checks and will be required to complete a health declaration form. Such measures are designed to identify symptomatic passengers early, guide appropriate follow-up actions and support contact-tracing if required, while allowing airports to manage risk without blanket travel bans.

Public health protocols at borders often change rapidly depending on new information, and Thailand’s statement noted that screening measures may be updated dynamically based on developments. In practice, this can mean adjustments in the intensity of checks, the list of affected routes, or the documentation required for travellers.

Why this matters for travellers and health systems

Nipah virus is treated with high caution due to its potential severity and the importance of quick identification and containment. Enhanced screening is intended to reduce the likelihood of importation and to ensure that any suspected case is detected early within travel flows.

For Indian travellers departing from West Bengal or transiting through the state, the announcement may translate into longer processing times, additional documentation requirements and closer scrutiny at departure and arrival. For airlines, it increases the emphasis on pre-boarding checks and clear passenger communication to avoid last-minute disruptions.