New cases of COVID-19: Daily trends vary widely among the ten most
populous U. S. states
Geogrande.com / Published May 5, 2020
UNITED STATES - As some U. S. states creep out of lockdown in early May, the
spread of COVID infection has leveled off in the nation as a whole, but
the trend in new cases widely varies among the ten largest states (see
Of the ten states, New York shows the
sharpest downturn in daily new cases, dropping from 11,571 on April 15
to 4,348 on May 3. Illinois shows one of the largest increases in new
cases, rising from 1,346 on April 15 to 2,994 on May 3.
The ten most populated states have about half of the nation’s 328 million
population, and about half of the nation’s 1,172,848 of new cases logged since the initial outbreak.
Daily new cases reported by
states is a leading indicator of the spread of COVID infection, in
contrast to daily deaths—while a human tragedy— is a trailing indicator
of infections that occurred several days earlier.
The accompanying infographic shows trends in daily new cases in each state
rise or fall in multi-day cycles, with successive cycles having lower
lows in falling trends and higher highs in rising trends. Cyclicity is
smoothed out in the infographic by showing the 14-day moving averages of
new cases in each state.
While the nation’s daily new case count has leveled off, the U. S. has
led the world in new cases each day in early May with approximately
25,500 of the world’s 79,400 new cases reported in the U. S. for May 3 on the Johns Hopkins University COVID-19 Dashboard.