*For the aim of this steerage, fever is outlined as subjective fever (feeling feverish) or a measured temperature of 100.4°F (38°C) or larger. Note that fever could also be intermittent or is probably not current in some individuals, similar to those that are aged, immunocompromised, or taking sure fever-reducing drugs (e.g., nonsteroidal anti-inflammatory medication [NSAIDS]).
** Data to tell the definition of shut contact are restricted. Factors to contemplate when defining shut contact embrace proximity, the period of publicity (e.g., longer publicity time probably will increase publicity danger), and whether or not the publicity was to an individual with signs (e.g., coughing probably will increase publicity danger). While analysis signifies fabric face coverings could assist those that are contaminated from spreading the an infection, there may be much less info relating to whether or not fabric face coverings supply any safety for a contact uncovered to a symptomatic or asymptomatic affected person. Therefore, the willpower of shut contact needs to be made regardless of whether or not the individual with COVID-19 or the contact was carrying a fabric face protecting. Because most of the people has not obtained coaching on correct choice and use of respiratory PPE, it can’t be sure whether or not respiratory PPE worn throughout contact with a person with COVID-19 an infection protected them from publicity. Therefore, as a conservative strategy, the willpower of shut contact ought to usually be made regardless of whether or not the contact was carrying respiratory PPE, which is really useful for well being care personnel and different skilled customers, or a fabric face protecting really useful for most of the people.
***Data are inadequate to exactly outline the period of time that constitutes a chronic publicity. Recommendations fluctuate on the size of time of publicity, however 15 minutes of shut publicity can be utilized as an operational definition. Brief interactions are much less more likely to end in transmission; nevertheless, signs and the kind of interplay (e.g., did the contaminated individual cough immediately into the face of the uncovered particular person) stay essential.
Integration of those definitions and actions into communications and actions of public well being authorities may be guided by CDC’s “Implementation of Mitigation Strategies for Communities with Local COVID-19 Transmissionpdf icon”