Hong Kong health officials (Centre for Health Protection-CHP) report investigating a local case of measles infection.
The case involves a 6-year-old girl who has developed fever and sore throat since August 2 and 3, and developed rash and conjunctivitis on August 5 and 6. She was taken to a private pediatrician on August 3 and to Hong Kong Baptist Hospital (HKBH) on August 5 and 6 for medical attention. She was admitted to HKBH for treatment on August 7. She is in a stable condition and was discharged on August 8.
Her blood sample tested positive for immunoglobulin M (IgM) antibodies to the measles virus upon laboratory testing. The patient has received measles vaccinations. She had no travel history during the incubation period and the communicable period.
According to information provided by family members of the patient, she did not have contact with measles patients during the incubation period. Her home contacts have remained asymptomatic so far and have been put under medical surveillance.
Upon notification of the case, the CHP immediately commenced epidemiological investigations and conducted relevant contact tracing. Investigations are ongoing.
A spokesman for the Department of Health said, “Measles is a highly infectious disease caused by the measles virus. It can be transmitted by airborne droplets or direct contact with nasal or throat secretions of infected persons, and, less commonly, by articles soiled with nose and throat secretions. A patient can pass the disease to other persons from four days before to four days after the appearance of a skin rash.”
The spokesman advised, “The incubation period (the period from infection to appearance of illness) of measles ranges from seven days to 21 days. Symptoms of measles include fever, skin rash, cough, runny nose and red eyes. If symptoms arise, members of the public should wear surgical masks, stop going to work or school and avoid going to crowded places. They should also avoid contact with non-immune persons, especially persons with weakened immunity, pregnant women and children aged below 1. Those suspected to have been infected are advised to seek medical attention as early as possible and reveal relevant contact history of measles to healthcare professionals.”
The spokesman reminded, “Vaccination is the most effective way to prevent measles. Those who have not received two doses of measles-containing vaccines, with unknown vaccination history or with unknown immunity against measles are urged to consult their doctor for advice on vaccination.”
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