| epidemic polyarthritis (ross river) virus infection in the cook islands. | an epidemic of ross river virus infection occurred in the cook islands early in 1980 and affected the majority of the inhabitants of rarotonga, the most populated island in the group. this represents the easternmost extension of the virus which, until 1979, was believed limited to australia, new guinea, and the solomon islands. the clinical manifestations of ross river disease, predominantly polyarthritis, did not differ significantly from those observed previously in australia. however, unlike ... | 1981 | 7325286 |