weekly measles According to data released by the Centers for Disease Control and Prevention on Friday, cases set new records, the peak of the 2019 outbreak, the worst since the 1990s.

According to the agency's latest update, the number of cases where symptoms begin has increased to 111. Authorities reviewed measles cases based on when the rash started to start, to illustrate the delay in reporting and diagnosis.

These are 102 cases reported in the wave of that year on March 23, 2019. By the end of 2019, the number of measles cases this year combined was the largest annual statistics since the virus was unique to it. Announced to be eliminated In 2000.

This year, most cases have come from the ongoing outbreaks in Texas and neighboring countries, which are now bigger than any other single outbreak since eliminating the virus. There were 11 other measles outbreaks in the U.S. this year, up from 10 last week.

While the pace of new cases appears to have declined in Texas, officials warned that it was too early to say whether the outbreak was truly over.

"We will see trends over time over time, and we want to see weeks of decline. Sometimes new cases are sometimes reported to public health, especially a week after being tested in a commercial lab," Texas Department of Health Services spokesman Lara Anton told CBS News in a statement.

Anton said authorities are still watching to see if travel will increase over the Easter holiday weekend last month.

"The travel case for that weekend may begin reporting in the next week or two," Anton said.

This year's situation is Probably a primerOfficials and experts said anecdotes of unreported infections were cited. The abnormal severity of the wave this year also indicates that many mildly transmitted cases have not been diagnosed.

For example, Canadian authorities have confirmed more than 1,000 measles cases so far this year after a record outbreak has occurred. According to the Centers for Disease Control and Prevention (CDC), the United States accounts for at least 935 this year.

In Canada, 7% of cases resulted in hospitalization, less than 13% of cases resulted in hospitalization in three Americans, and has also died from measles so far this year, while Canada has not.