There are no official guidelines to assist in answering this question. I will search for relevant research papers instead.
From the Research
RSV Isolation Time Frame in Nursing Homes
- The exact time frame for RSV isolation in nursing homes is not explicitly stated in the provided studies 1, 2, 3, 4, 5.
- However, a study on the risk of transmission and viral shedding from the time of infection for RSV in households found that most transmission events occurred within approximately 7 days of household exposure, including potential presymptomatic transmissions 4.
- Another study on RSV outbreak in a long-term care facility detected using reverse transcriptase polymerase chain reaction reported an outbreak of RSV in a 120-bed long-term care facility, where 22 residents developed symptoms of a respiratory tract infection between January 29,2008, and February 26,2008, but did not provide a specific isolation time frame 2.
- A study on the evidence of RSV spread by aerosol suggested that RSV can spread through aerosolized particles, which can remain airborne for a significant length of time and be inhaled and deposited throughout the respiratory tract, but did not provide a specific isolation time frame 3.
- A study on a clinically useful method for the isolation of RSV reported a simple method for the isolation of RSV, which resulted in a high frequency of recovery of virus, but did not provide a specific isolation time frame for nursing homes 5.
- Annual attack rates in the USA range from 2 to 10% in community-dwelling older adults and 5-10% in older adults living in congregate settings, such as nursing homes 1.