PerkinElmer will add chemiluminescence products in endocrinology, autoimmunity and diagnostics to its portfolio with the planned buyout of Immunodiagnostics.

Oncology partnership with Swiss major follows late 2020 pact with Merck KGaA. Pfizer divests Phase Ib breast cancer candidate to Celcuity.

April had four VC rounds of $100m or more, including Allogene's $300m to develop CAR-T therapies licensed from Pfizer. Innovent Biologics raised $150m, BenevolentAI brought in $115m and Constellation garnered $100m last month.

Pharma and biotech companies raised $4.6bn in the first quarter, exceeding the 2017 quarterly average by $1.4bn. But while the money invested soared, the number of companies funded sank. In public financings, MorphoSys commences US IPO and Mylan sells $1.5bn in notes.