The official Twitter dedicated to the World Trigger manga revealed that it will not appear in the May issue of the magazine, which will be released on April 2nd. The absence is explained by the author's poor health Daisuke Ashihara did not contract COVID-19 and added that he is recovering. It's worth noting that the manga also took a break from the March issue of the magazine, which came out on February 4th.
Daisuke Ashihara debuted the manga in Weekly Shonen Jump in 2013. The first hiatus was in November 2016, and the reason was also due to the author's health, and returned to the magazine in October 2018 for a total of five issues before moving to Shueisha 's Jump SQ in December 2018. The 23rd volume was released on February 4.
Therefore, the second season of the anime premiered on January 9th as part of TV Asahi 's NUMAnimation . The first two episodes of the new season had a special screening with exclusive footage in 12 theaters in Japan, which ran from December 25th to January 7th.
Furthermore, the third season of the anime will air in October.
Source: ANN