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International Reports of Vaccine Preventable Childhood Infectious Diseases

October 17, 2006

Archive
International Reports of Vaccine Preventable Childhood Infectious Diseases

International travel can expose Canadians to traditional childhood infectious diseases such as polio, measles, mumps, rubella, tetanus, and diphtheria that, while are no longer common in Canada, are common in many other countries in the world.

Canadians travelling internationally should ensure that their routine childhood immunizations are up to date before travelling, regardless of their destination. The Public Health Agency of Canada recommends that Canadians travelling internationally consult a physician or travel medicine 4 to 6 weeks prior to departure for an individual risk assessment to determine their individual health risks and their need for primary and/or booster immunization. For comprehensive information on the recommended immunization schedules for infants, children and adults in Canada, readers are referred to the Canadian Immunization Guide prepared by the National Advisory Committee on Immunization.

The Importance of Keeping Childhood Immunizations Up-to-Date

Due to the high percentage of Canadians who are immunized through our national childhood immunization program and as a result of Canada's high level of sanitation, Canadians, even if not fully immunized themselves, are protected in large part from these infectious diseases. To maintain this situation, and because small localized outbreaks may occur at any time, Canadians must remain diligent with respect to keeping their routine immunizations up to date.

Prevention of infection through immunization is a lifelong process. As we age, our vaccine-acquired immunity against some of the above noted illnesses may decrease. As a result, additional vaccination may be recommended to boost one's immunity.

It is important to note that public health infrastructure initiatives such as national immunization programs vary around the world and, in many countries, may not be as developed or as successful as here in Canada.

When travelling to an area where childhood illnesses may be of special concern, an alternative or accelerated childhood immunization schedule may be recommended for small children, based on an individual risk assessment.

International Reports of Traditional Childhood Infectious Diseases

The Public Health Agency of Canada is aware of the following official reports of epidemic and outbreak activity of polio, measles, mumps, rubella, tetanus, and diphtheria, as reported by the referenced international sources. Travellers who visit areas where epidemics of traditional childhood diseases occur regularly should be aware that outbreaks can occur at any time.

Country and Source of information
 Date
Disease
Synopsis

Italy

[Eurosurveillance]

October 12, 2006

Measles

Region(s)

The Autonomous Province of Bolzano-South Tyrol in northern Italy, Lazio in central Italy, and the island of Sardinia in the southwest of Italy.

Period

June to September 2006

Incidence

Three clusters of measles cases occurred between June and September 2006, mainly in the Roma/Sinti (often referred to as gypsies) populations in:

  • the Autonomous Province of Bolzano-South Tyrol in northern Italy [17 cases];
  • Lazio in central Italy [161 cases]; and
  • he island of Sardinia in the southwest [9 cases]

Additional Details

Even though most Roma/Sinti do not object to immunisation, none of the Roma/Sinti patients in the above outbreaks had been vaccinated against measles.

Unites States

[ Infectious Disease News Brief ]

October 6, 2006

Mumps

Region(s)

State of Illinois

Period

2006 - ongoing

Incidence

Illinois has reported more than 600 cases of mumps so far this year. A total of 86 cases of mumps with 4 under investigation have been reported in DuPage county with several cases occurring on university campuses:

  • Wheaton College has reported 61 cases with 2 under investigation,
  • Benedictine University has reported one case with one under investigation, and
  • Elmhurst College has reported one case.

There were 19 cases of mumps reported in DuPage County during the first five months of 2006.

Additional Details

Prior to 2006, Illinois averaged about 10 cases per year. DuPage County averages from 0 to 3 cases per year over the past 5 years.

Austria

[Eurosurveillance]

Jujy 6, 2006

Mumps

Region(s)

Austria : the provinces of Kärnten, Niederösterreich, and Wien.

Period

January 1, 2006 to July 3, 2006.

Incidence

The outbreak is estimated to include at least 150 cases in three provinces.

Case histories are known for 46 of the cases, 45 of the cases occurred in patients aged between 16 and 32 years old.

Only four of the 46 cases (9%) had received two doses of vaccine. Fourteen cases (30%) received only one dose, and 25 cases (54%) were unvaccinated; in three cases, vaccination status was unknown.

Additional Details

Mumps is not a notifiable disease in Austria

Poland

[Eurosurveillance]

June 29, 2006

Measles

Region(s)

South-eastern provinces and central and western regions of Poland.

Period

January and May 2006

Incidence

60 cases of measles were reported, of which 43 (72%) were laboratory confirmed, 16 (27%) clinically diagnosed.

The most affected age groups were adults aged over 19 years (43 cases, 72%). Only eight of the patients had been vaccinated with two doses of measles vaccine (full vaccination course in Poland). Fifteen had been vaccinated with one dose, and the remaining 37 persons were either unvaccinated or their vaccination status was unknown.

Additional Details

In 2004, only 11 measles cases were reported and in 2005, only 13 cases were reported.

England and Wales

[HPA]

June 15, 2006

Measles

Region(s)

England and Wales: the largest outbreaks have occurred in the Surrey and Sussex and the South Yorkshire areas

Period

January 1, 2006 to May 31, 2006.

Incidence

449 confirmed cases of measles in England and Wales to the end of May 2006.

Additional Details

England and Wales had a total of 438 cases for the whole of 2003.

Germany

Update

[ Eurosurveillance]

May 11, 2006

Measles

Region(s)

Federal state of Nordrhein-Westfalen, Germany

Period

January 1 to May 3, 2006.

Incidence

Over 1018 cases have been notified to health authorities. At this time, between 120 and 140 cases are being notified to health authorities per week. School-age children account for over 60% of all reported cases.

Additional Details

The overwhelming majority of the patients (>90%) have not been vaccinated.

The measles virus strain has been confirmed as D6 in this outbreak, which is the same strain that is currently causing a large outbreak in the Ukraine.

The D4 strain has also been confirmed, but only in two cases.

U.S.

[CDC]

April 21, 2006

Mumps

Region(s)

United States : Multi-state: Iowa, Kansas, Nebraska, and Illinois

Period

December 2005 to April 19, 2006

Incidence

Iowa : 975 confirmed, probable, and suspect reports of mumps cases in 66 of 99 counties .

Kansas : 147 reports of confirmed and probable mumps cases in 31 of 105 counties.

Nebraska : 109 reports of suspected mumps cases in 18 of 93 counties.

Illinois : 72 reports of mumps cases, 35 of which have been confirmed.

Additional Details

The Centers for Disease Control and Prevention ( CDC) has confirmed the strain in this outbreak as genotype G.

Germany

Update

[ Eurosurveillance]

April 13, 2006

Measles

Region(s)

Federal state of Nordrhein-Westfalen, Germany

Period

January to April 12, 2006.

Incidence

660 cases

Additional Details

the overwhelming majority of the patients (>90%) have not been vaccinated

U.S.

[CDC]

April 13, 2006

Mumps

Region(s)

United States : State of Iowa

Period

December 2005 and April 10, 2006

Incidence

515 confirmed, probable, and suspect cases of mumps

Additional Details

 

Spain

[Eurosurveillance]

April 3, 2006

Measles

Region(s)

Madrid , Spain.

Period

January 26 - March 16, 2006

Incidence

59 cases; 50 of which have been laboratory confirmed

49 of the cases were in unvaccinated patients.

Additional Details

Genotype B3 confirmed in samples from 13 patients.

Denmark and Sweden

[Eurosurveillance]

April 3, 2006

Measles

Region(s)

Øresund region of Denmark and Sweden:

  • Denmark : Zealand, mostly in the greater Copenhagen area.
  • Sweden : Western part of Skåne

Period

Denmark : late-January to March 11, 2006

Sweden : February 3 to March 15, 2006

Incidence

Øresund Region: 18 Cases

Denmark : Nine cases -all nine Danish cases were in unvaccinated patients and were confirmed serologically.

Sweden : Nine cases - all nine Swedish patients were also unvaccinated

Additional Details

Denmark : The measles virus was has been identified as genotype B3, in seven of the patients.

Sweden : The measles virus was has been identified as genotype B3 with a sequencing pattern identical to the Danish ones, in one patient.

Venezuela

[PAHO]

March 27, 2006

Measles

Region(s)

Venezuela : State of Miranda and the capital district of Caracas

Period

Late-February to March 27, 2006

Incidence

12 laboratory confirmed cases

Additional Details

 

Somalia

[WHO]

March 24, 2006

Polio

Region(s)

Lower Juba - southern Somalia

Mudug - northeastern Somalia

Period

N/A

Incidence

Two new cases

Additional Details

N/A

Germany

[Eurosurveillance]

March 23, 2006

Measles

Region(s)

Germany

  • Western Germany - Nordrhein Westfalen,
  • Southern Germany - Baden Wuerttemberg

Period

Nordrhein Westfalen : Between mid-January and March 23, 2006

Baden Wuerttemberg : early-January to March 17, 2006

Incidence

Nordrhein Westfalen : 246 cases of measles were notified in the federal region of Nordrhein Westfalen – most of them in patients aged 10-19 years. Of these cases, 107 have been laboratory confirmed. This is more than 20 times the number reported during the same period in 2005. Over 90% of the patients had not been vaccinated against measles, or vaccinated incompletely (only one dose).

Baden Wuerttemberg : 58 measles cases have been reported, most of them in patients aged 1-9 years. Nine cases were laboratory confirmed, and seven cases have been found to be caused by measles genotype B3. None of the patients had been immunised. The patients belong to a social group where measles vaccination is viewed as unnecessary.

Additional Details

N/A

England and Wales

[CDRweekly]

March 23, 2006

Measles

Region(s)

England and Wales - cases have occurred in all regions apart from the North East.

Period

January to mid-March (epidemiological weeks 1 to 11)

Incidence

72 cases of measles have been confirmed. Ages of cases have ranged from under one to 35 years.

Additional Details

Only two of the cases had received one dose of measles, mumps, and rubella (MMR) vaccine and three others had been vaccinated with single measles vaccine.

Bangladesh

[WHO]

March 16, 2006

Polio

Region(s)

Bangladesh : Chandpur district of Chittagong division

Period

January

Incidence

One case confirmed in a nine year-old girl

Additional Details

The virus is closely related to viruses from western Uttar Pradesh in India.

Ukraine

[Eurosurveillance]

March 09, 2006

Measles

Region(s)

Ukraine : All 27 administrative territories of the country are now reporting cases. All but five of these territories have reported at least 100 cases each.

Period

February 2005 to the end of February 2006.

Incidence

19 673 cases; 17 281 (88%) occurred during January and February 2006.

Additional Details

Measles cases from the current outbreak in Ukraine have been imported into Belarus (2 cases), the Russian Federation (9 cases), Spain (1 case) and the United States (2 cases). Measles virus of D6 genotype has been identified from cases in Ukraine and from imported cases.

Greece

[Eurosurveillance]

February 23, 2006

Measles

Region(s)

Greece : Cases were reported from 14 of the 52 districts of Greece

Period

September 2005 to February 2006

Incidence

171 cases of measles were reported, of which 53 (31%) have been laboratory confirmed. 159/171 patients (93%) are from northern Greece

Additional Details

Of 110 patients with known vaccination status, 98 (89%) were unvaccinated for measles and 12 (11%) had had one dose of measles-containing vaccine.