Chicken Pox Vaccine

Chickenpox is a common childhood infection. Usually, it’s mild and complications are rare. Almost all children develop immunity to chickenpox after infection, so most only catch it once. The disease can be more severe in adults.

Certain groups of people, however, are at greater risk of serious complications from chickenpox. These include:

  • people who have weakened immune systems through illnesses such as HIV, or treatments like chemotherapy
  • pregnant women – chickenpox can be very serious for an unborn baby when a pregnant woman catches the infection. It can cause a range of serious birth defects, as well as severe disease in the baby when it is born.

How is the vaccine administered?

The vaccine is given as 2 separate injections, usually into the upper arm, 4 to 8 weeks apart.

How long does the chicken pox vaccinations last?

It’s been shown that 9 out of 10 children vaccinated with a single dose will develop immunity against chickenpox. Having 2 doses is recommended, as this gives an even better immune response.

Travel & Immunisation Clinic

Signs and symptoms

Those who have picked up the cholera bacteria don’t always have symptoms, but these are some of the typical symptoms you should expect:

• Severe, watery diarrhoea

• Nausea

• Vomiting

• Stomach cramps

Cholera symptoms can occur after just after a few hours, but generally develop within a few days of picking up the infection. If untreated, dehydration from severe diarrhoea and vomiting can quickly take effect, causing the body to go into shock because of a big drop in blood pressure.

Prevention

If you are travelling to a country known to be affected by cholera, here are a few ways you can help protect yourself:

• Only drink boiled or sealed bottled water

• Avoid ice in your drinks and ice creams

• Wash (in safe water) or peel uncooked fruit and vegetables

• Avoid shellfish, seafood and salads

Practice good personal hygiene measures – always wash your hands in safe water before eating and visiting the bathroom

Vaccination

The risk to most travellers is very low and vaccination is usually only recommended in the following circumstances:

• Volunteers/aid workers/medical personnel in disaster relief situations where cholera outbreaks are likely

• Those travelling to work in slums/refugee camps or areas affected by natural disasters

• Those travelling to countries experienacing cholera outbreaks and where care with food and water is difficult or not possible

The drinkable cholera vaccine is given in two or three (depending on age) separate doses, taken from one to up to six weeks apart and completed at least a week before travelling.

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