The Ministry of Health says the risk of a gastro bug outbreak in Kaikoura is under control for the time being.

Six isolated cases of the illness have been reported following Monday's quake.

Public health director Stewart Jessamine said good hygiene had been critical in containing the bug.

But as people got tired, the bug could spread.

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Anyone with gastro symptoms should stay at home and contact medical services.

Access road open to military

A 4.6 magnitude aftershock has shaken Kaikoura awake this morning as a military convoy heads to the area carrying precious supplies.

The Canterbury Civil Defence Group gave permission this morning for the military to use the Kaikoura Emergency Access Route, Inland Rd.

The convoy will take around three hours and arrive to stunning, sunny weather.

MetService predict the sunshine will stick around for the next week.

This morning's aftershock was 41km deep quake hit 45km east of the town at 9.48am.

According to GeoNet, 238 earthquakes had rattled the country in the 12 hours to 5.30am, but only two were over magnitude 4.

There had been 3646 earthquakes since the 7.8 magnitude Kaikoura Earthquake at 5.30am.

Evacuations continue

Another load of evacuees has arrived in Christchurch this morning on the HMNZS Canterbury.

A further 186 people are being dropped off by bus at Horncastle Arena after the Navy ship docked in Lyttelton.

Newstalk ZB reporter Samantha Olley is there and says unlike Thursday morning's arrival in the wind and rain, this morning's smaller group are being greeted with sunny conditions in Christchurch after the six hour trip by sea.

Civil Defence is again leading an evacuation centre at the arena from where family and friends are collecting their loved ones.

Tourists are being helped to find somewhere to stay.

It brings the total number of evacuees from Kaikoura more than 900 since Monday.

Kent Woolford said his mind was being put at ease collecting his god-daughter - after she was caught out by the quake driving down from Palmerston North.

All evacuations are now complete. The airport is open for commercial flights if anyone else wants to leave town.

Power outages

Main Power spokesman Geoff Gale said 7000 customers lost power the night of the quake, by the end of the day 2000 were without power. On Saturday 340 remained without electricity.

"For every one of those 340 we're doing everything we can to get it restored."

He advised that unsafe houses were a key reason why power may not be connected to a house even if it is available. People can call 0508 60 70 80 to find out more. He also asked people not to plug generators into wall sockets as it feeds back into the system and can cause havoc when the power is turned back on.

Limited water supply

A large proportion of the mains water supply was restored to Kaikoura township yesterday, but it is still in a fragile state and may be intermittent for some time, Civil Defence Controller John Mackie said. All water must be boiled for drinking.

"There is a limited supply at the reservoir, so we're still asking people to conserve water and make sure the valve to their toilets is turned off. And if there is a leak anywhere, please turn the water off at the street and get a plumber in."

Two-litre bottles of bleach for disinfecting water are available to households. People need to add 5 drops of bleach per litre of water. There are also three water stations - outside iSite, at New World supermarket and at South Bay - with household water supplies.

The NZ Defence Force has set up a mobile shower unit. Up to 120 residents a day who are without water at home can shower in the shared cubicle. Women shower from 4pm to 5pm, men from 5pm to 6pm. BYO towels, soap and shampoo. Phone (03) 319 5026 to register.

Damage to sewerage system

Even if you have water you shouldn't flush your toilet. The sewage system has been severely damaged. Civil Defence warn that if anyone uses their toilet, the system won't be able to cope and it could spill into the sea.

Around 900 of the 1500 chemical toilets have been delivered to households and around 80 portaloos are set up around town.

Aid

Takahanga Marae will serve its last supper tonight. From tomorrow food parcels and ongoing assistance can be found at the Recovery Assistance Centre that has been set up at Kaikoura Primary School.

Here you can also find information on civil defence emergency payments, EQC claims, mental health support and extra support for the vulnerable.

Call the government helpline 0800 779 997 if you can't get to the centre.

There is 5-6 days of petrol, 8-9 days of diesel available for the town that is being rationed out to residents based on their need.

All cell sites are up and running.

Road closures

All roads in and out of Kaikoura are closed to the public. NZTA had hoped to get Inland Rd open to the public by the weekend but ongoing surveys have revealed a significant risk of landslip and there is a lot of work required to make the road safe.

Because of the extent of the damage on SH1 North to Blenheim, it may be months before that route is open again. SH1 South to Conway may be open in several weeks. Assessments are continuing.

Bridges that remain closed are:
• Clarence Valley
• Scotts Rd
• Mawthorne Rd
• 30km/hr limit on all other bridges

Picton, Blenheim, and Nelson are all accessible from the south via State Highway 7 (Lewis Pass) but please note if travelling to Picton or Blenheim this will add about 90-120 minutes extra travel time than the now closed SH1 route, Christchurch Transport Operations Centre (CTOC) says.

Between Christchurch and Picton, allow for a 7.5 hour trip. Those travelling to Nelson should allow for up to 30min delays due to increased traffic.

Please note that there has been a significant increase in traffic on SH7 since Monday's earthquake and we advise motorists to take extra care and take your time driving through this area.

Extra travel advice for the Canterbury and Marlborough region can be found here.

• State Highway 1 between Cheviot and Ward - CLOSED due to earthquake damage. Controlled access for local residents and emergency services only between Cheviot and Goose Bay.
• State Highway 7 between Waipara to Springs Junction - OPEN (Lewis Pass) - down to one lane in places.
• State Highway 7A between Tekoa Range and Hanmer Springs - OPEN - no restrictions in place.
• State Highway 73 between Christchurch and the West Coast - OPEN - due to cracking some speed restrictions are in place over the highway.

Please check the NZ Transport Agency's Traffic & Travel page for the latest updates.

Free healthcare

You can get free healthcare at Kaikoura Health Te Ha o Te Ora. Kaikoura medical centre GP Dr Andrea Judd, said they would prefer to see people sooner, rather than later.

Make an appointment by phoning (03) 319 3500. The nurse who answers your call will be able to arrange your appointment and can also provide free health advice.

Anyone with gastro symptoms such as vomiting or diarrhoea, should stay home and phone their own GP team or the nurse at Kaikoura Health for advice. If you have norovirus, a particularly contagious gastro bug, it's easily spread from person to person, so it's important to isolate yourself as much as possible - and definitely keep out of the kitchen.

People in other areas of North Canterbury (outside Kaikoura) who need to see their general practice team for quake-related appointments will pay reduced "quake rates" to see their GP or nurse.

Further building inspections

By today 554 buildings have been inspected; 27 have been red stickered, 66 yellow and the rest white.

Businesses that have been white stickered can reopen as soon as they are ready. They can order goods from their usual suppliers, boxed and sent to Christchurch, where the Army will ensure it gets through to Kaikoura. Business wishing to take up this offer need to let council reception know.

Further inspections will continue with 10 building inspectors and 5 engineers plus geotech engineers visiting properties. This will include inspections in outlying areas where damage is likely to be more significant.

If your home has been inspected and you have questions about the information on the assessment (red, yellow or white sticker) a building inspector will be in the reception area of the council building to assist you.

If you're waiting to have a building inspected, leave contact details on the building so they can get in touch.

People are being asked to check their fireplaces and chimneys before they use them.

Wellington quake evacuees

A Wellington City Council spokeswoman said the organisation remained in the dark about when the approximately 100 residents would be allowed back onto the Maison Cabriole Apartments on Tory St.

The building, and others in the Courtenay Central area, was evacuated on Thursday after the neighbouring Reading carpark building was found to be structurally unsafe.

The council has found accommodation for one man in a Victoria University hostel, while others have sorted their own accommodation.