Influenza antibody prevalence in the autumn of 2001, Japan
Warning to antipyretic use for child cases of influenza, May 2001-MHLW
Partial amendment of the Preventive Vaccination Law, November 2001-MHLW
A trial to construct a database for monitoring influenza epidemics by using rapid antigen detection kits and internet technology by pediatricians in Japan
An outbreak of Norwalk-like virus gastroenteritis at a nursery school, October 2001-Osaka City
Isolation of parainfluenza virus type 1 and enteroviruses , October 2001-Sendai City and Yamagata City
A cluster of discrepant test results; positive with an influenza virus type A antigen rapid detection kit and negative by virus isolation, May 2001-Nagoya City
Intrauterine infection of measles virus causing fetal death of one of the twins