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A28    SCIENCE
                  Saturday 3 March 2018
            Science Says: Why Europe still has so many measles outbreaks


            By MARIA CHENG                                                                         by researchers at the Lon-   A full dose of the MMR vac-
             AP Medical Writer                                                                     don School of Hygiene and    cine,  a  standard  compo-
            LONDON  (AP)  —  While                                                                 Tropical  Medicine  found    nent  of  routine  childhood
            parts of the world have all                                                            Europe  to  be  the  region   immunization   in   many
            but banished measles, Eu-                                                              that was least confident in   countries, is believed to be
            rope  is  still  getting  hit  with                                                    vaccine safety.              about 97 percent effective
            large   outbreaks   where                                                              WHY IS THE VACCINE CON-      at preventing measles.
            some  people  don't  get                                                               TROVERSIAL?                  Measles  typically  begins
            vaccinated.                                                                            In  1998,  British  researcher   with a high fever and also
            Measles  is  still  a  bigger                                                          Dr. Andrew Wakefield pub-    causes a rash on the face
            problem  across  parts  of                                                             lished a paper in the medi-  and  neck.  While  most
            Africa  and  Asia,  where                                                              cal  journal  Lancet  sug-   people  who  get  measles
            outbreaks can be particu-                                                              gesting a link between the   recover,  it's  one  of  the
            larly  devastating  in  mal-                                                           combo  measles,  mumps       leading  causes  of  death
            nourished children or those    In this Tuesday, May 2, 2017 file photo, a sign at the specialty   and rubella, or MMR, vac-  among  young  children,
            with  other  illnesses  like  tu-  clinic at Children's Minnesota in Minneapolis, alerts patients to   cine and autism.  according to the WHO.
            berculosis or AIDS. Most of   a measles outbreak in the area.                          No  other  studies  have     Serious  complications,  in-
            the 89,000 measles deaths                                             Associated Press   found  any  connection.    cluding  blindness  and  a
            in the world each year are                                                             The  paper  was  later  re-  swelling  of  the  brain,  are
            in developing countries.     diseases. The virus is spread   WHY  IS  EUROPE  A  HOTBED   tracted, 10 of its co-authors   more  common  in  young
            In  Europe,  there  were     in the air through coughing   FOR MEASLES?                renounced     its   conclu-  children  and  adults  over
            more than 21,000 cases of    or sneezing.                 Vaccine    skepticism   re-  sions  and  Wakefield  was   age  30.  Through  vaccina-
            measles and 35 deaths last   It can be prevented with a   mains high in many parts of   stripped  of  his  license  to   tion  programs,  measles
            year,  a  fourfold  increase   vaccine that's been in use   Europe  after  past  immuni-  practice  medicine  in  the   has been eliminated in the
            in cases compared to the     since the 1960s. Health of-  zation problems.             U.K.  after  officials  found   Americas and many other
            previous  year.  With  more   ficials say that vaccination   In France, a national hep-  him guilty of "serious profes-  countries have pledged to
            than 5,000 cases each, Ro-   rates of at least 95 percent   atitis  B  vaccination  cam-  sional misconduct."       stop  the  disease's  spread
            mania  and  Italy  had  the   are needed to prevent ep-   paign that was suspended     After  the  paper  was  pub-  by 2020.
            biggest  epidemics  —  and   idemics.                     in  1998  amid  concerns  of   lished,  however,  vacci-  HOW  CAN  VACCINATION
            the drive to vaccinate chil-  In  some  regions  of  Italy,   bad  side  effects  led  to   nation  rates  dropped  in   RATES BE INCREASED?
            dren  against  measles  has   the  rate  is  about  85  per-  widespread wariness of im-  Britain,  the  U.S.  and  else-  One strategy is to make im-
            even  become  a  leading     cent,  one  of  the  lowest  in   munizations.            where, leading to years of   munization against certain
            issue in Italy's general elec-  Europe.  Epidemics  have   And during the 2009 swine   measles  epidemics  across   diseases  legally  mandato-
            tion on Sunday.              also  emerged  in  countries   flu  pandemic,  numerous   Europe. In the U.K., at least   ry and not allow children to
            A look at some of the hur-   including  Ukraine,  Greece   European  critics  alleged   a  dozen  medical  associa-  attend  school  unless  they
            dles slowing efforts to stop   and  Romania,  where  offi-  that the push for swine flu   tions  including  the  Royal   can  show  proof  of  vacci-
            the spread of this prevent-  cials  have  noted  declines   vaccinations was the result   College of Physicians have   nation.Italy  recently  intro-
            able disease:                in overall vaccination cov-  of drugmakers' undue influ-  issued statements verifying   duced a new law requiring
            WHY      DOES     MEASLES    erage,  problems  with  the   ence on the World Health    the safety of the MMR vac-   parents to vaccinate  their
            SPREAD SO FAST?              vaccine  supply  and  poor   Organization.                cine.                        children  against  measles
            Measles  is  among  the      disease  surveillance  sys-  A  2016  global  survey  of   HOW EFFECTIVE IS THE VAC-   and  nine  other  childhood
            world's  most  contagious    tems.                        vaccine  confidence  led     CINE?                        diseases. q

                                                                      Health of world's last male

                                                                      northern white rhino in decline


                                                                      By CHRISTOPHER TORCHIA       infection  was  recently  dis-  surgery  from  the  females
                                                                      Associated Press             covered in the same area,    at Ol Pejeta, according to
                                                                      JOHANNESBURG  (AP)  —        the conservancy said.        the conservancy.
                                                                      The  health  of  the  world's   "We  are  very  concerned   San Diego's zoo had some
                                                                      last  male  northern  white   about him — he's extreme-   northern  white  rhinos,  but
                                                                      rhino   has   deteriorated,   ly  old  for  a  rhino  and  we   the last one died in 2015.
                                                                      bringing  the  rhino  subspe-  do  not  want  him  to  suffer   Northern white rhinos once
                                                                      cies a step closer to extinc-  unnecessarily," the conser-  roamed parts of Chad, Su-
                                                                      tion caused by poaching.     vancy said in a statement.   dan, Uganda, Congo and
                                                                      The    45-year-old   rhino   Sudan  and  the  females     Central  African  Republic,
            In this Friday, July 28, 2017 file photo, wildlife ranger Zacha-  named  Sudan,  listed  as   Najin and Fatu, along with   and there were more than
            riah Mutai takes care of Sudan, the world's last male northern   "The Most Eligible Bachelor   a  second  male  from  the   2,000 remaining as recently
            white rhino, at the Ol Pejeta Conservancy in Laikipia county in   in the World" on the Tinder   same subspecies that since   as 1960, according to Save
            Kenya.
                                                     Associated Press  dating  app  last  year  as  a   died,  arrived  at  Ol  Pejeta   the  Rhino  International,  a
                                                                      fundraiser,  lives  with  the   from a Czech zoo in 2009.  London-based group.
                                                                      last  two  female  northern   Scientists hope to save the   The  last  northern  white
                                                                      white  rhinos.  Kenya's  Ol   northern  white  rhino  from   rhinos  in  the  wild  were
                                                                      Pejeta  Conservancy  said    extinction  by  using  south-  observed  more  than  a
                                                                      Thursday  that  Sudan  was   ern  white  rhinos  as  surro-  decade  ago  in  Congo's
                                                                      struggling  despite  24-hour   gates  to  carry  northern   Garamba  National  Park,
                                                                      care by veterinarians.       white  rhino  embryos  and   whose animals have often
                                                                      Sudan  appeared  to  re-     give birth. The in vitro pro-  been  targeted  by  armed
                                                                      cover  well  from  an  infec-  cess would be conducted    groups amid conflict in the
                                                                      tion that developed on his   using  sperm  from  dead     region. Efforts to safeguard
                                                                      back right leg at the end of   rhinos that is stored in Ber-  the  subspecies  by  moving
                                                                      2017  but  another,  deeper   lin and eggs extracted by   a small number to Kenyaq
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