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Dr. Jay Keystone

Recent Posts

Yellow Fever Vaccination Shortage in Canada – What You Need to Know

By Dr. Jay Keystone | August 09 2018 | Travel Health
What is yellow fever? Yellow fever is a serious and occasionally fatal disease caused by a virus. ...
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Dr. Jay Keystone: Top 10 Travel Health Tips

Simple preparations can help you make the most of your holiday and avoid getting sick. To learn ...
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Medisys Travel Health: Tick Safety

By Dr. Jay Keystone | February 02 2018 | News, Travel Health
        Ticks are small biting creatures that can range in size from as small as a grain of sand to ...
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Zika Virus 101: What Travelers Need to Consider

By Dr. Jay Keystone | January 26 2018 | News, Travel Health
Zika virus is a flavivirus related to yellow fever, West Nile virus, dengue fever and Japanese ...
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