Abu Dhabi - Operations on some routes have been suspended, while in other cases the frequency has been reduced.
"This is also being carried out for the safety and convenience of its customers and staff, and to minimise operational disruption during this period," the airline said.
The following services from Abu Dhabi have been temporarily adjusted:
Milan (MXP): All flights suspended until 30 April.
Rome (FCO): EY85/86 suspended until 30 April. EY83/84 suspended until 30 June.
Beirut (BEY): All flights suspended from 16 March until 31 March.
Istanbul (IST): All flights suspended from 16 March until 31 March.
Casablanca (CMN) and Rabat (RBA): All flights suspended from 16 March until 31 March.
Amman (AMM): All flights suspended from 17 March until 31 March.
Madrid (MAD) and Barcelona (BCN): All flights suspended from 17 March until 31 March.
Jakarta (CGK): Reduced from double-daily to daily (suspension of EY472/471) from 18 March until 30 June.
Seoul (ICN): Reduced from daily to four weekly (operating on Tuesdays, Thursdays, Fridays and Sundays) from 30 March to 30 April.
Hong Kong (HKG): All flights suspended until 30 June.
Bangkok (BKK): Reduced from triple-daily to double-daily (suspension of EY406/405) from 21 March to 02 May.
The following previously announced network changes remain in place:
Riyadh (RUH), Jeddah (JED), Dammam (DMM), Medina (MED): All flights suspended from 16 March until 31 March.
Kuwait (KWI): All flights suspended until 31 March.
Bahrain (BAH): Reduced from triple-daily to double-daily until 31 March.
Muscat (MCT): Reduced from triple-daily to double-daily until 31 March.
Shanghai (PVG): All flights suspended until 28 March.
Chengdu (CTU): All flights suspended until further notice.
Nagoya (NGO): All flights suspended until 30 June.
Passengers should note that future changes to the route network may occur due to government directives in key markets.
For passengers impacted by flight cancellations, procedures are in place for fare refunds or for flight changes when services resume.
The Etihad Airways Contact Centre in the UAE is contactable on (+971) 600 555 666. The list of other local contact centres is available at www.etihad.com/en-us/help/contact-us.
Alternatively, guests who issued tickets through travel agents should contact them directly for any changes or cancellations