CitationsSpira AM (2003). Preparing the traveller. Lancet, 361(9366): 1368–1381.Spira AM (2003). Assessment of travellers who return home ill. Lancet, 361(9367): 1459–1469.Centers for Disease Control and Prevention (2005). Risks from food and water. Yellow Book: Health Information for International
As measles creeps across the U.S., public health officials have urged everyone to get vaccinated against the highly contagious disease. Some have questioned that advice, though, finding new reasons to fear the MMR shot, which protects against measles, mumps, and rubella.
It's one thing for a drug or vaccine to prove itself effective in a clinical trial, where conditions are controlled and participants carefully selected.
U.S. officials on Tuesday reported record high rates of childhood vaccinations in 2004, but they continue to struggle with low use of vaccines by seniors.
A newly published survey shows that fewer than one in five parents of teens questioned considered whooping cough an illness of concern, despite the fact that outbreaks in middle and high schools have increased in recent years.
The chickenpox vaccine becomes less protective over time, but it remains highly effective for preventing more serious forms of the virus, a new study shows.
It's one thing for a drug or vaccine to prove itself effective in a clinical trial, where conditions are controlled and participants carefully selected.
The first symptoms of chickenpox - fever, feeling sick, decreased appetite, headache, cough, and sore throat - usually develop between 14 and 16 days after contact with a person infected with the virus.