When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Basic reproduction number - Wikipedia

    en.wikipedia.org/wiki/Basic_reproduction_number

    is the average number of people infected from one other person. For example, Ebola has an of two, so on average, a person who has Ebola will pass it on to two other people.. In epidemiology, the basic reproduction number, or basic reproductive number (sometimes called basic reproduction ratio or basic reproductive rate), denoted (pronounced R nought or R zero), [1] of an infection is the ...

  3. List of countries by net reproduction rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_net...

    The net reproduction rate (R 0) is the number of surviving daughters per woman and an important indicator of the population's reproductive rate. If R 0 is one, the population replaces itself and would stay without any migration and emigration at a stable level.

  4. Basic reproductive rate - Wikipedia

    en.wikipedia.org/?title=Basic_reproductive_rate&...

    What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Cite this page; Get shortened URL; Download QR code

  5. Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Main_Page

    Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects: Commons Free media repository

  6. Next-generation matrix - Wikipedia

    en.wikipedia.org/wiki/Next-generation_matrix

    The method to compute the basic reproduction ratio using the next-generation matrix is given by Diekmann et al. (1990) [3] and van den Driessche and Watmough (2002). [4] To calculate the basic reproduction number by using a next-generation matrix, the whole population is divided into n {\displaystyle n} compartments in which there are m < n ...

  7. Gross reproduction rate - Wikipedia

    en.wikipedia.org/wiki/Gross_reproduction_rate

    The gross reproduction rate (GRR) is the average number of daughters a woman would have if she survived all of her childbearing years, which is roughly to the age of 45, subject to the age-specific fertility rate and sex ratio at birth throughout that period.

  8. List of countries by total fertility rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_total...

    The first lists show the most recent year where there is published total fertility rate (TFR) data ranked by sovereign states and dependencies, and are ordered by organization type – intergovernmental, governmental, or non-governmental organization that searched, organized, and published the data.

  9. Fertility - Wikipedia

    en.wikipedia.org/wiki/Fertility

    Net Reproduction Rate (NRR) - the NRR starts with the GRR and adds the realistic assumption that some of the women will die before age 49; therefore they will not be alive to bear some of the potential babies that were counted in the GRR. NRR is always lower than GRR, but in countries where mortality is very low, almost all the baby girls grow ...