It is not clear why person-to-person transmission has been documented for ANDV but not for other hantaviruses.
In addition to being infected by rodents, nosocomial and person-to-person spread have been documented for both OW and NW arenaviruses, including LASV, LUJV, MACV, and JUNV [ 14, 15, 26].
However, person-to-person transmission has recently been documented for the ANDV that causes HCPS (8 – 13 ), and contaminated human saliva suggests a possible route of infection (13 ).
Among the study population, seroconversion was documented for 70 persons, and HPS was diagnosed for 5 other persons in the same communities during the intervals studied (Table 2).
No vaccination was documented for 167 persons (85%); 28 had not yet reached the age of vaccination (>11 months).
Health literacy may influence vaccination decision-making; it has, for example, been documented that persons with an inadequate level of health literacy display lower acceptance of influenza vaccines.
HEV outbreaks have been documented among forcibly displaced persons living in camps in East Africa, but for >10 years, no cases were documented among Somali refugees (1, 2 ).
Stigma has been documented as a significant problem for persons living with HIV in the Indian setting.
Recently, however, cases of MRSA have been documented in healthy community-dwelling persons without established risk factors for MRSA acquisition.
ANDV is endemic in Chile and Argentina and is the only hantavirus for which person-to-person transmission has been documented.
